| GIS | Geoinfosüsteem = GIS | Geographic(al) Information System | In English = SIG | Sistema Informativo Geografico | In Italian = SIG | Sistema de Información Geográfica | In Spanish = SIG | Sistema d'informació geogràfica | In Catalan = GIS | Geografický Informační Systém | In Czech = ГИС | Географска информационна система | In Bulgarian = ΓΣΠ | Γεωγραφικά Συστήματα Πληροφοριών | In Greek = GIS | Geographisches Informationssystem | In German = GIS | Geoinformationssystem | In German = GIS | Geografski informacijski sustav | In Croatian = ממ"ג | מערכת מידע גאוגרפית | In Hebrew = GIS | Geografinė informacinė sistema | In Lithuanian = SIG | Sistem Informasi Geografis | In Indonesian = GIS | Geografisch Informatiesysteem | In Dutch = GIS | Geografiske informasjonssystem | In Nynorsk = GIS | Geografiske informasjonssystemer | In Norwegian = SIG | Sistema de informação geográfica | In Portuguese = ГИС | Географическая Информационная Система | In Russian = GIS | Geografski informacijski sistem | In Slovenian = GIS | Geografiskt InformationsSystem | In Swedish = ГІС | Геоінформаційна система | In Ukrainian |
In Estonian | → Software → Geography |
| GIS | Geografski informacijski sustav = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Croatian | → Software → Geography |
| GIS | Geografický Informační Systém = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Czech | → Software → Geography |
| GIS | Geografisch Informatiesysteem = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Dutch | → Software → Geography |
| GIS | Geografinė informacinė sistema = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Lithuanian | → Software → Geography |
| GIS | Geografiske informasjonssystemer = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Norwegian | → Software → Geography |
| GIS | Geografiskt InformationsSystem = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Swedish | → Software → Geography |
| GIS | Geografski informacijski sistem = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Slovenian | → Software → Geography |
| GIS | Geographic(al) Information System = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In English | → Software → Geography |
| GITEP TICS | Groupement des Industries des Technologies de l'Information et de la Communication | In French | → Organizations and associations → Computer science → Telecommunications" |
| GKS | Graphics Kernel System | In English | → Software |
| GKS | Graphical Kernel System | In English | → Operating systems |
| GLA | Global Logistics Associates (www.glanetwork.com) | In English | → Maintenance and logistics → Transport and postal services |
| GLANCE | GlobAL Computer ScieNCE | In English | → Computer science |
| GLP | GOAL Language Processor | In English | → Software |
| GLT | Gestion Logistique et Transport | In French | → Maintenance and logistics → Transport and postal services |
| GMAO | Gestion de la Maintenance Assistée par Ordinateur | In French | → Maintenance and logistics → Computer-based techniques |
| GMAT | General Management Aptitude Test | In English | → Management → Education |
| GMIP | Graphical Models and Image Processing | In English | → Serial publications, periodicals → Graphical processing → Image processing |
| GMIS | GSSC Management Information System | In English | → Data |
| GMIS | Ground STDN Management Information System | In English | → Data |
| GML | Geography Markup Language | In English | → Programming languages → Geography |
| GMT | Greenwich Mean Time | In English | → Standardization |
| GMuD | Gesellschaft Mathematik und Datenverarbeitung | In German | → Computer science → Serial publications, periodicals → Mathematics |
| GMULL | Groupe Mareuillais d'Utilisateurs de Logiciels Libres | In French | → Software |
| GNC | Guidance and Navigation Computer | In English | → Hardware → Vehicle engineering |
| GNOME | GNU Network Object Model Environment | In English | → Software |
| GNU | GNU's Not Unix | In English | → Software |
| GOAPI | Grupo de Óptica Aplicada y Procesado de Imágenes | In Spanish | → Graphical processing → Image processing → Optics |
| GOLD | General Ontology for Linguistic Description | In English | → Programming languages → Linguistics |
| GOSCON | Government Open Source Conference | In English | → Congresses → Software |
| GOSIP | Government Open Systems Interconnection Profile | In English | → Computer science |
| GPAO | Gestion de Production Assistée par Ordinateur | In French | → Computer-based techniques → Engineering, technology |
| GPC | General-Purpose Computer | In English | → Hardware |
| GPCIPL | General-Purpose Computer Initial Program Load | In English | → Computer science |
| GPGPU | General-Purpose Computing on Graphics Processing Units | In English | → Computer science |
| GPIO | General-Purpose Input and Output | In English | → Data |
| GPL | GOAL Processing Language | In English | → Programming languages → Spaceflight engineering, astronautics |
| GPL | Groupe des Pingouins Libres | In French | → Organizations and associations → Operating systems |
| GPRN | GOAL Test Procedure Release Notice | In English | → Programming languages → Spaceflight engineering, astronautics |
| GPS | General Processing Subsystem | In English | → Hardware |
| GPSCP | GPS (Global Positioning System) Computer Program | In English | → Software → Geodesy, cartography → Spaceflight engineering, astronautics |
| GPUR | GOAL Test Procedure Update Request | In English | → Programming languages → Spaceflight engineering, astronautics |
| GRAL | Groupement Réunionnais des Amis de Linux | In French | → Organizations and associations → Operating systems |
| GRAPE | Graphics Programming Environment | In English | → Computer-based techniques → Mathematics |
| GRCE | Groupe national de Recherche en Communication Écrite | In French | → Document processing |
| GRDDL | Gleaning Resource Descriptions from Dialects of Languages | In English | → Data → Networks, communication |
| GRETIA | Génie des Réseaux de Transport et Informatique Avancée | In French | → Computer science → Transport and postal services |
| GRIM | Groupe de Recherche en Informatique et Mathématiques | In French | → Organizations and associations → Computer science → Mathematics |
| GRISELI | Dispositif National d'Accès à la Littérature Grise | In French | → Knowledge management → Libraries |
| GRT | Gruppo per le Relazioni Transculturali | In Italian | → Organizations and associations → Civilization, culture, progress |
| GrUB | Groupe d'utilisateurs borains | In French | → Organizations and associations → Operating systems |
| GSA | General Services Administration | In English | → Management |
| GSAS | Government Selected Application Systems | In English | → Software |
| GSB | Ghana Standards Board | In English | → Standardization |
| GSDL | Ground Software Development Laboratory | In English | → Research institutes → Software |
| GSDS | Goldstone Duplicate Standard | In English | → Standardization |
| GSIU | Ground Standard Interface Unit | In English | → Human-computer interaction |
| GSPF | Ground Software Production Facility | In English | → Software |
| GSS | Ground Support Software | In English | → Software |
| GSSC | Ground Support Simulation Computer | In English | → Hardware |
| GSTDN | Ground Spacecraft Tracking and Data Network | In English | → Data → Astronomy → Spaceflight engineering, astronautics |
| GTPB | Groupe de Traitement de la Parole et de Biométrie | In French | → Computer-based techniques → Linguistics |
| GTR | Génie des Télécommunications et des Réseaux | In French | → Networks, communication → Telecommunications |
| GU4L | Groupe des Utilisateurs de Logiciels Libres Léo Lagrange | In French | → Organizations and associations → Software |
| GUI | Graphical User Interface = IGU | Interfaz Gráfica de Usuario | In Spanish |
In English | → Human-computer interaction |
| GUL | Groupes d'Utilisateurs de Linux = LUG | Linux Users' Groups | In English |
In French | → Organizations and associations → Operating systems |
| GUL | (php)Gtk User Language | In English | → Computer science |
| GULAT | Groupe d'utilisateur de Linux de l'Abitibi-Témiscamingue | In French | → Organizations and associations → Operating systems |
| GULG | Groupe des Utilisateurs du Libre en Guyane | In French | → Organizations and associations → Software |
| GULiDef | Groupe des Utilisateurs de Linux dans la Défense | In French | → Organizations and associations → Operating systems → Military engineering |
| GULLH | Groupe des Utilisateurs de Logiciels Libres au Havre | In French | → Organizations and associations → Software |
| GULLIVER | Groupe des Utilisateurs de Linux et des Logiciels libres d'Ille et Vilaine et Environs de Rennes | In French | → Software → Operating systems |
| GuLSE | Groupe des Utilisateurs Linux de Saint-Eustache et des environs | In French | → Organizations and associations → Operating systems |
| GULUQ | Groupe d'Utilisateurs Linux de l'Université du Québec | In French | → Organizations and associations → Operating systems |
| GULUS | Groupe d'utilisateurs de Linux de l'Université de Sherbrooke | In French | → Organizations and associations → Operating systems |
| GUM | Generalized Upper Model | In English | → Programming languages |
| GUML | Groupement des Utilisateurs Mauriciens de Linux | In French | → Organizations and associations → Operating systems |
| GVN | Grand Versailles Numérique (www.gvn.chateauversailles.fr) | In French | → Museums → Computer simulation |
| GVSC | Generic VHSIC Spacecraft Computer | In English | → Hardware → Spaceflight engineering, astronautics |
| GWDG | Gesellschaft für wissenschaftliche Datenverarbeitung Göttingen | In German | → Organizations and associations → Computer science |
| GWT | Google Widget Toolkit | In English | → Software → Networks, communication |
| H-ASIA | H-Net List for Asian History and Culture | In English | → Civilization, culture, progress → Language, linguistics, literature |
| H-NEASIA | H-Net Network on Northeast Asian History and Culture | In English | → Civilization, culture, progress → History |
| HA | Help-Alfabeto | In Esperanto | → Writing systems |
| HAL | Houston Aerospace Language | In English | → Programming languages |
| HAL | High-order Assembly Language | In English | → Programming languages |
| HALS | High-order Programming Language for Spacelab usage | In English | → Programming languages |
| HAM | Hold-and-Modify | In English | → Hardware → Graphical processing |
| HAP | Hardware Allocation Panel | In English | → Hardware |
| HAP | High-Speed Arithmetic Processor | In English | → Hardware → Mathematics |
| HC | Hybrid Computer | In English | → Hardware |
| HCCB | Hardware Configuration Control Board | In English | → Hardware |
| HCM | Human Capital Management | In English | → Personnel management |
| HCR | Handprint Character Recognition | In English | → Writing systems → Computer-based techniques |
| HCRB | Hardware Configuration Review Board | In English | → Hardware |
| HCSL | Hybrid Computation and Simulation Laboratory | In English | → Research institutes → Computer simulation |
| HD | Harmonizačných Dokumentov | In Slovak | → Standardization |
| HD | Harmonization Document | In English | → Standardization |
| HDA | Hardware Disposition Area | In English | → Hardware |
| HDDR | High-Density Digital Recorder | In English | → Data |
| HDL | Haifa Development Lab | In English | → Computer science |
| HDM | Hard Disk Manager | In English | → Memories → Software |
| HDR | Habilitation à Diriger des Recherches | In French | → Research policy |
| HDR | High Data Rate | In English | → Data |
| HDRA | High-Data-Rate Assembly | In English | → Data |
| HDRI | High Dynamic Range Imaging | In English | → Image processing |
| HDRM | High-Data-Rate Multiplexer | In English | → Data |
| HDRR | High-Data-Rate Recorder | In English | → Data |
| HDRS | High-Data-Rate System | In English | → Data |
| HDRSS | High-Data-Rate Storage System | In English | → Data |
| HDS | Hardware Description Sheet | In English | → Hardware |
| HE | Hardware Evaluation | In English | → Hardware |
| HE | Hardware Evaluator | In English | → Hardware |
| HECI | Hautes Études Commerciales et Informatiques (www.groupeheci.com) | In French | → Specialized or (poly)technical colleges → Economics → Computer science |
| HEDSIM | High Endoatmospheric Defense System Simulator | In English | → Computer simulation → Military engineering |
| HEDSIM | High Endoatmospheric Event-Based Simulation | In English | → Computer simulation |
| HELM | Hypertextual Electronic Library of Mathematics | In English | → Libraries → Data → Mathematics |
| HEM | Institut des Hautes Études de Management (www.hem.ac.ma) | In French | → Specialized or (poly)technical colleges → Computer science |
| HESS | High-Energy Squib Simulator | In English | → Computer simulation → Physics |
| HFES | Human Factors and Ergonomics Society | In English | → Organizations and associations → Human-computer interaction |
| HFMP | Human Factors Management Plan | In English | → Engineering, technology → Management |
| HGF | Helmholtz-Gemeinschaft Forschungszentren (www.helmholtz.de) | In German | → Research policy |
| HIC | Hardware Integration Contractor | In English | → Hardware |
| HID | Hardware Interface Device | In English | → Hardware → Human-computer interaction |
| HID | HIM Interface Distributor | In English | → Human-computer interaction |
| HIK | Hejmoj de Internacia Kulturo | In Esperanto | → Civilization, culture, progress |
| HIL | Hardware In Loop | In English | → Hardware |
| HILS | Hardware-In-The-Loop Simulation | In English | → Hardware |
| HIM | Hardware Interface Module | In English | → Hardware → Human-computer interaction |
| HIP | Hardware Interface Program | In English | → Hardware → Human-computer interaction |
| HIP | Hardware Interface Processor | In English | → Hardware → Human-computer interaction |
| HIP | Hardware Interface Panel | In English | → Hardware → Human-computer interaction |
| HIPO | Hierarchical Input-Process Output | In English | → Computer science |
| HISTU | Hypermediale Informationssystem für die Technische Universität Wien | In German | → Computer science → Higher education, universities |
| HiWorD | HIerarchical Workflow Designer | In English | → Computer-based techniques |
| HLAL | High-Level Assembler Language | In English | → Programming languages |
| HLTL | High-Level Test Language | In English | → Programming languages |
| HMA | Hypergolic Maintenance Area | In English | → Maintenance and logistics → Vehicle engineering |
| HMCF | Hypergolic Maintenance and Checkout Facility | In English | → Maintenance and logistics → Vehicle engineering |
| HMF | Hypergolic Maintenance Facility | In English | → Maintenance and logistics → Vehicle engineering |
| HMU | Hardware Mockup | In English | → Hardware |
| HoD | Head(s) of Delegation | In English | → Management → Organizations and associations |
| HOL | High-Order Language | In English | → Programming languages |
| HOLAP | Hybrid On Line Analytical Processing | In English | → Knowledge management → Data |
| HOLC | High-Order Language Computer | In English | → Hardware → Programming languages |
| HON | Health On the Net | In English | → Networks, communication → Medicine |
| HOS | High-Order Software | In English | → Software |
| HOS | Hybrid Operating System | In English | → Operating systems |
| HP | Hewlett-Packard | In English | → Computer science |
| HP | Hewlett Packard | In English | → Hardware |
| HP-EIC | Hewlett-Packard European Innovation Centre | In English | → Computer science |
| HPC | High Performance Computing | In English | → Computer science |
| HPGL | Hewlett-Packard Graphics Language | In English | → Computer science |
| HPM | Harvard Project Manager | In English | → Management |
| HQE | Haute Qualité Environnementale | In French | → Quality management → Nature and society → Environmental technology, water supply, waste management |
| HR-XML | Human Resources eXtensible Markup Language | In English | → Programming languages → Personnel management → Labour, labour economics |
| HRDA | High-Rate Data Assembly | In English | → Computer science |
| HRDR | High-Rate Digital Recorder | In English | → Computer science |
| HRE | Hardware Reuse Evaluation | In English | → Hardware |
| HRI | Human Rights Internet | In English | → Networks, communication → Fundamental rights |
| HRL | Haifa Research Lab | In English | → Computer science |
| HSC | Hardware and Software Coordination | In English | → Hardware → Software |
| HSD | High-Speed Device | In English | → Hardware |
| HSD | High-Speed Data | In English | → Data |
| HSDL | High-Speed Data Line | In English | → Data |
| HSL | Hardware Simulation Laboratory | In English | → Research institutes → Hardware → Computer simulation |
| HSL | Haifa Software Lab | In English | → Software |
| HSP | High-Speed Printer | In English | → Peripheral devices |
| HSR | Hardware Status Register | In English | → Hardware |
| HSR | High Speed Reader | In English | → Hardware |
| HSUPA | High Speed Uplink Packet Access | In English | → Computer science |
| HTA | HTML Applications | In English | → Software |
| HTC | Hybrid Technology Computer | In English | → Hardware |
| HTLL | High-Test-Level Language | In English | → Programming languages |
| HTML | HyperText Markup Language | In English | → Programming languages → Data |
| HTML | Hyper Text Markup Language | In English | → Data → Networks, communication → Document processing |
| HTTP | HyperText Transfer Protocol | In English | → Internet |
| HUD | Head-Up Display | In English | → Human-computer interaction |
| HUL | Hardware Utilization List | In English | → Hardware |
| HULL | Hardware Utilization and Location List | In English | → Hardware |
| HUTSIM | Helsinki University of Technology Simulator | In English | → Computer simulation |
| HVD | Holographic Versatile Disc | In English | → Memories → Data |
| HW | Hardware | In English | → Hardware |
| HW/SW | Hardware/Software | In English | → Computer science |
| HWCI | Hardware Configuration Item | In English | → Hardware |
| HWIL | Hardware In Loop | In English | → Hardware |
| HYDAC | Hybrid Digital-Analog Computer | In English | → Hardware |
| I+D | Investigación y Desarrollo = R&D | Recherche et développement | In French = F&E | Forschung und Entwicklung | In German = R&D | Research and Development | In English = R&S | Ricerca e Sviluppo | In Italian = P&D | Pesquisa e Desenvolvimento | In Portuguese = O&O | Onderzoek en Ontwikkeling | In Dutch = FoU | Forsøk og Utvikling | In Norwegian |
In Spanish | → Research policy → Engineering, technology |
| I3C | Internet Créatif, Coopératif et Citoyen | In French | → Internet |
| I3S | (Laboratoire d')Informatique, Signaux et Systèmes de Sophia Antipolis | In French | → Research institutes → Computer science → Telecommunications |
| IA | Intelligència artificial = AI | Artificial Intelligence | In English = AI | Artificiële Intelligentie | In Dutch = KI | Kunstmatige Intelligentie | In Dutch = VI | Vještačka inteligencija | In Bosnian = KI | Künstliche Intelligenz | In German = AI | Artefarita Inteligenteco | In Esperanto = IA | Intelligence Artificielle | In French |
In Catalan | → Artificial intelligence |
| IA | Intelligence Artificielle = AI, KI, VI (look above) |
In French | → Artificial intelligence |
| IA | Interface Agreement | In English | → Human-computer interaction |
| IACD | Institute of Asian Culture and Development | In English | → Research institutes → Civilization, culture, progress → Area studies |
| IACS | Inter-Asia Cultural Studies Society | In English | → Organizations and associations → Civilization, culture, progress → Area studies |
| IAD | Interface Agreement Document | In English | → Human-computer interaction |
| IAD | Interface Analysis Document | In English | → Human-computer interaction |
| IAE | Institut d'Administration des Entreprises | In French | → Management → Economics |
| IAF | Institut für angewandte Forschung | In German | → Research policy |
|