| Acronym | Sense | Language | Topics |
|---|---|---|---|
| HIVA | Higher Institute of Labour Studies | In English | → Sociology → Labour, labour economics |
| HiWorD | HIerarchical Workflow Designer | In English | → Computer-based techniques |
| HJAS | Harvard Journal of Asiatic studies | In English | → Serial publications, periodicals → Language, linguistics, literature → Geography, biography, history |
| HK | Housekeeping | In English | → 64 |
| HKIAC | Hong Kong International Arbitration Centre | In English | → Law, jurisprudence |
| HKID | Hong Kong Identity Card | In English | |
| HKV | Hit-To-Kill Vehicle | In English | → Vehicle engineering |
| HLA | Human Leucocyte Antigen | In English | → Biochemistry, biophysics |
| HLAL | High-Level Assembler Language | In English | → Programming languages |
| HLC | Hybrid Load Controller | In English | |
| HLCM | High-Level Control Module | In English | |
| HLLV | Heavy-Lift Launch Vehicle | In English | → Aeronautics, aircraft → Astronautics |
| HLLW | High Level Liquid Waste | In English | → Environmental technology, water supply, waste management |
| HLR | Home Location Register | In English | → Telecommunications |
| HLTF | High Level Task Force | In English | |
| HLTL | High-Level Test Language | In English | → Programming languages |
| HLV | Hybrid Launch Vehicule | In English | → Vehicle engineering |
| HM | Hinge Mount | In English | |
| HM | Handmaids of Mary | In English | → Roman catholic church |
| HMA | Hypergolic Maintenance Area | In English | → Maintenance and logistics → Astronautics |
| HMB | Hard Mobile Basing | In English | |
| HMC | Hybrid Microcircuit | In English | → Electronics |
| HMCF | Hypergolic Maintenance and Checkout Facility | In English | → Maintenance and logistics → Astronautics |
| HMD | Head-Mounted Device | In English | |
| HMD | Helmet-Mounted Display | In English | |
| HMF | Health Maintenance Facility | In English | → Medicine |
| HMF | Horizontal Mating Facility | In English | |
| HMF | Hypergolic Maintenance Facility | In English | → Maintenance and logistics → Astronautics |
| HML | Hard Mobile Launcher | In English | |
| HML | Hardened Mobile Launcher | In English | |
| HMM | Hidden Markov Models | In English | → Statistics → Mathematics |
| HMMMMM | Holistic, Manipulative, Multi-modal and Mimetic, Musical and Mimetic | In English | → Music → Linguistics |
| HMN | Humanities | In English | → Education → Language, linguistics, literature |
| HMO | Health Maintenance Organization | In English | → Organizations and associations → Medicine |
| HMONGIHRW | Hmong International Human Rights Watch | In English | → Organizations and associations → Human rights → Fundamental rights |
| HMP | Hydrazine Monopropellant | In English | → Astronautics |
| HMPAC | Helmet-Mounted Multipurpose Applications Control | In English | |
| HMPPA | Herbal Medicinal Products Platform Austria (www.hmppa.at) | In English | → Pharmacology, toxicology → Austria |
| HMR | Helgoland Marine Research | In English | → Serial publications, periodicals → 50146 → Hydrology |
| HMS | Hazard Monitor System | In English | |
| HMS | Health Monitoring System | In English | → Medicine |
| HMS | History Memory System | In English | |
| HMT | Heat and Mass Transfer | In English | → Serial publications, periodicals → Thermodynamics |
| HMTT | HUrricane Mesa Test Track | In English | |
| HMU | Hardware Mockup | In English | → Computer hardware |
| HMV | Hydrogen Manual Valve | In English | |
| HNCO | High-Precision Numerical-Controlled Oscillator | In English | |
| HND | Higher National Diploma | In English | → Education |
| HND | Haneda Airport | In English | → Transport by air → Japan |
| HND | Hmong National Development | In English | → Organizations and associations → Development |
| HNMS | Hellenic National Meteorological Service | In English | → Meteorology, climatology → Greece |
| HOA | Hydroxylamine-oxydoreductase | In English | → Enzymes |
| HOAC | Historians of American Communism | In English | → Organizations and associations → History → Communist parties → United States |
| HOBt | Hydroxybenzotriazole | In English | → Chemistry → Chemicals |
| HoD | Head(s) of Delegation | In English | → Management → Organizations and associations |
| HOE | Homing Optical Experiment | In English | |
| HOE | Homing Overlay Experiment | In English | |
| HOE | Holographic Optical Element | In English | → Optics |
| HOFCO | Horizontal Functional Checkout | In English | → Engineering, technology |
| HOL | High-Order Language | In English | → Programming languages |
| HOL | High Order Language | In English | → Programming languages |
| HOLAB | Holographic Laboratory Brassboard | In English | → Optics |
| HOLAP | Hybrid On Line Analytical Processing | In English | → Knowledge management → Data |
| HOLC | High-Order Language Computer | In English | → Computer hardware → Programming languages |
| HOLIVAR | Holocene Climate Variability | In English | → Meteorology, climatology |
| HOLWG | High Order Language Working Group | In English | → Organizations and associations → Programming languages |
| HoMAI | Hologram Manufacturers Association of India | In English | → Associations → Optics |
| HOME | Hawaii Ocean-Mixing Experiment | In English | → Marine research, oceanography |
| HOMO | Highest Occupied Molecular Orbital | In English | → Chemistry |
| HON | Health On the Net | In English | → Networks, communication → Medicine |
| HOPE | Help Ohio Public Education | In English | → Education → United States |
| HOPE | HIV Outreach Programm and Education | In English | → Education → Infectious diseases |
| HOPE | Help Our People Excel (www.helpourpeopleexcel.net) | In English | → Social welfare |
| HOPS | Harvard Ocean Prediction System (http://mseas.mit.edu/archive/HOPS/) | In English | → Marine research, oceanography |
| HOS | High-Order Software | In English | → Software |
| HOS | Hybrid Operating System | In English | → Operating systems |
| HOSC | HUntsville Operations SUpport Center | In English | → Applied sciences, technology |
| HOST | Hardened Optical Sensor Test Bed | In English | → Applied sciences, technology |
| HOTOL | Horizontal Takeoff and Landing | In English | → Astronautics |
| HP | Handling Procedure | In English | → Engineering, technology |
| HP | Hewlett-Packard | In English | → Computer science |
| HP | Horsepower | In English | → Electrical engineering |
| HP | Hydrogen Purge | In English | |
| HP | Perigee Altitude | In English | → Aeronautics, aircraft → Astronautics |
| HP | Pressure Altitude | In English | |
| HP | Hewlett Packard | In English | → Computer hardware |
| HP | Horse Power | In English | → Mechanical engineering |
| HP-EIC | Hewlett-Packard European Innovation Centre | In English | → Computer science |
| HPA | Handling and Positioning Aid | In English | |
| HPA | High-Power Amplifier | In English | → Electrical engineering |
| HPA | High-Power Antenna | In English | → Telecommunications |
| HPAIR | Harvard Project for Asian and International Relations | In English | → International relations |
| HPAU | High-Power Amplifier Unit | In English | |
| HPBRM | High Payload Baseline Reference Mission | In English | → Astronautics |
| HPBW | Half-Power Beam Width | In English | |
| HPC | High Performance Computing | In English | → Computer science |
| HPC | Corrected Pressure Altitude | In English | |
| HPCA | Hot Plasma Composition Analyzer | In English | → Plasma physics → Astronautics → Astronomy |
| HPCC | High Performance Computing Cluster | In English | → Computer hardware |
| HPCRE | Handbook on the Physics and Chemistry of Rare Earths | In English | → Serial publications, periodicals → Physics → Chemistry |
| HPF | Highest Probable Frequency | In English | → Mathematics |
| HPF | Horizontal Processing Facility | In English | |
| HPF | Holographic Photopolymer Film | In English | → Chemical technology → Plastic industry |
| HPF | High Performance Fortran | In English | → Programming languages |
| HPFT | High-Pressure Fuel Turbopump | In English | → Vehicle engineering |
| HPFTP | High Pressure Fuel Turbopump | In English | |
| HPG | High-Pressure Gas | In English | |
| HPGL | Hewlett-Packard Graphics Language | In English | → Computer science |
| HPGM | Hispanic Professionals of Greater Milwaukee Organization (www.hpgm.org) | In English | → Organizations and associations |
| HPGS | High-Pressure Gas System | In English | |
| HPI | High-Performance Insulation | In English | |
| HPICS | Heat Pipe Instrumentation and Control System | In English | → Thermodynamics |
| HPLC | High Performance Liquid Chromatography | In English | → Chromatography, mass spectrography |
| HPlPh | Handbook of Plasma Physics | In English | → Serial publications, periodicals → Plasma physics |
| HPLS | History and Philosophy of the Life Sciences | In English | → Philosophy, psychology → Biological sciences → Medicine → History |
| HPM | Harvard Project Manager | In English | → Management |
| HPM | High-Performance Motor | In English | → Mechanical engineering → Vehicle engineering |
| HPM | High-Power Microwave | In English | |
| HPOL | High-Power Optics Laboratory | In English | → Research institutes → Optics |
| HPOP | High-Pressure Oxidizer Pump | In English | |
| HPOT | High-Pressure Oxidizer Turbopump | In English | |
| HPOTP | High Pressure Oxidizer Turbopump | In English | |
| HPP | High Performance Polymers | In English | → Serial publications, periodicals → Materials science → Plastic industry |
| HPPF | Horizontal Payloads Processing Facility | In English | → Astronautics |
| HPPS | Human Plasma Product Services | In English | → Blood and circulatory system → Pharmacology, toxicology |
| HPR | High Pressure Research | In English | → Serial publications, periodicals → Physics → Chemistry |
| HPR | Hydrogen Pressure Regulator | In English | → Electrical engineering |
| HPRV | Hydrogen Pressure Relief Valve | In English | → Electrical engineering |
| HPS | Hydraulic Power System | In English | |
| HPS | Hemophagocytic syndrome | In English | → Blood and circulatory system → Pathology |
| HPSG | Head-Driven Phrase Structure Grammar | In English | → Computer-based techniques → Linguistics |
| HPSL | High Performance Smart Lid | In English | → Biological sciences |
| HPT | High-Pressure Test | In English | |
| HPT | Home Pregnancy Test | In English | → Obstetrics → Reproductive biology |
| HPU | High-Power Unit | In English | |
| HPU | Hydraulic Power Unit | In English | |
| HPU | Hydraulic Propulsion Unit | In English | → Vehicle engineering |
| HPU | Uncorrected Pressure Altitude | In English | |
| HPV | High-Pressure Valve | In English | |
| HQ | Headquarter(s) | In English | |
| HQ | Headquarter | In English | → Military affairs |
| HQDA | Headquarters Department of the Army | In English | → Military affairs |
| HQL | Hibernate Query Language | In English | → 00043 → Data |
| HR | Homologous Recombination | In English | → Genetics |
| HR | Heat-Resistant | In English | → Thermodynamics |
| HR | Historical Record | In English | → Records management |
| HR | Hydrogen Relief | In English | |
| HR | Human Resources | In English | → Personnel management |
| HR | Hyperion Reports | In English | |
| HR&T | Heat Rejection and Transport | In English | → Thermodynamics |
| HR-XML | Human Resources eXtensible Markup Language | In English | → Programming languages → Personnel management → Labour, labour economics |
| HRAA | High-Rate Acquisition Assembly | In English | |
| HRBAP | Human Rights-Based Approach to Programming | In English | → Human rights |
| HRC | Hasselblad Reflex Camera | In English | → Arts |
| HRCBM | Human Rights Congress for Bangladesh Minorities | In English | → Congresses → Human rights → Fundamental rights |
| HRD | High-Rate Dosimeter | In English | |
| HRDA | High-Rate Data Assembly | In English | → Computer science |
| HRDI | High Resolution Doppler Imager | In English | |
| HRDM | High-Rate Demultiplexer | In English | → Electronics |
| HRDR | High-Rate Digital Recorder | In English | → Computer science |
| HRE | Hardware Reuse Evaluation | In English | → Computer hardware |
| HREA | Human Rights Education Associates (www.hrea.org) | In English | → Organizations and associations → Education → Human rights → Fundamental rights |
| HREELS | High Resolution Electron Energy Loss Spectroscopy | In English | → Physics |
| HRG | Hemispherical Resonating Gyro | In English | |
| HRH | Holdfast Rubber Highway | In English | → Civil engineering and land transport → Plastic industry |
| HRI | Honda Research Institute | In English | → Research institutes → Vehicle engineering |
| HRI | Human Rights Internet (www.hri.ca) | In English | → Internet → Human rights → Fundamental rights |
| HRIC | Human Rights in China | In English | → Human rights → Fundamental rights → China |
| HRIR | High-Resolution Infrared Radiometer | In English | |
| HRL | Horizontal Reference Line | In English | |
| HRL | Haifa Research Lab | In English | → Computer science |
| HRM | Hand-Held Radiation Meter | In English | |
| HRM | High-Rate Multiplexer | In English | |
| HRM | Human Resource Management | In English | → Personnel management |
| HRMA | High-Resolution Mirror Assembly | In English | |
| HRNI | Human Rights Network International | In English | → Organizations and associations → Human rights → Fundamental rights |
| HRP | Health Related Professions | In English | → Medicine |
| HRPS | Hazard Reduction Precedence Sequence | In English | |
| HRPT | High Resolution Picture Transmission | In English | |
| HRSC | High Resolution Stereo Camera | In English | → Astronomy → Astronautics |
| HRSI | High-temperature Reusable Surface Insulation | In English | |
| HRSO | High-Resolution Solar Observatory | In English | → Observatories → Solar system |
| HRSR | High-Resolution Scanning Radiometer | In English | |
| HRTEM | High Resolution Transmission Electron Microscopy | In English | → Physics |
| HRW | Human Rights Watch | In English | → Organizations and associations → Human rights → Fundamental rights |
| HS | History of Science | In English | → Mathematics and natural sciences → History |
| HS | Heat Shield | In English | → Thermodynamics |
| HS | Hydrogen Sulfide | In English | → Chemistry → Chemical technology |
| HS | Hospitalar Sisters of Mercy | In English | → Roman catholic church |
| HSA | Hungarian Studies Association (www.hungarianstudies.info) | In English | → Associations → Area studies → Hungary |
| HSA | Health Science Authority | In English | → Medicine → Biological sciences |
| HSA | Heat Shield Abort | In English | → Astronautics → Thermodynamics |
| HSARPA | Homeland Security Advanced Research Project Agency | In English | → Central administration → Research policy |
| HSB | Heat Shield Boost | In English | → Thermodynamics |
| HSB | Hue, Saturation, Brightness = TSV | Teinte, Saturation, Valeur | In French = HSV | Hue, Saturation, Value | In English |
In English | → Graphic industries, printing, publishing |
| HSC | Hardware and Software Coordination | In English | → Computer hardware → Software |
| HSC | Hierarchical Storage Controller | In English | → Engineering, technology |
| HSC | House Spacecraft | In English | → Astronautics |
| HSC | Health Services Command | In English | → Medicine |
| HSCPh | Harvard Studies in Classical Philology | In English | → Serial publications, periodicals → Philology |