| AAF | American Austrian Foundation | In English | → International relations |
| AAFA | Asthma and Allergy Foundation of America | In English | → Immunology and allergy |
| AAFA | Aplastic Anemia Foundation of America | In English | → Medicine |
| AAOF | American Association of Orthodontists Foundation | In English | → Dentistry |
| ABNFV | Anorexia & Bulimia Nervosa Foundation of Victoria | In English | → Pathology |
| AÇEV | Anne Çocuk Eğitimi Vakfı | In Turkish | |
| ACF | Association of Charitable Foundations | In English | → Associations |
| ACF | Australian Conservation Foundation | In English | → Nature |
| AFHF | Air Force Historical Foundation | In English | → 358 → History |
| aiBSKV | Attila İlhan Bilim Sanat Kültür Vakfı | In Turkish | |
| AMDF | American Macular Degeneration Foundation (www.macular.org) | In English | → Ophtalmology |
| AMREF | African Medical and Research Foundation | In English | → Medicine → Research policy |
| ASF | Acceleration Studies Foundation | In English | |
| AUF | Angeles University Foundation (www.auf.edu.ph) | In English | → Higher education, universities |
| AWF | Animal Welfare Foundation (www.bva-awf.org.uk) | In English | → Building |
| CFC | Community Foundations of Canada = FCC | Fondations Communautaires du Canada | In French |
In English | |
| DSF | Deutsche Stiftung Friedensforschung | In German | → Polemology |
| EEV | Enderun Eğitim Vakfı | In Turkish | |
| EFF | Electronic Frontier Foundation | In English | → Electronics |
| EFQM | European Foundation for Quality Management (www.efqm.org) | In English | → Quality management |
| ELF | European Lung Foundation | In English | → Chest diseases |
| EMF | Ecological Management Foundation | In English | → Nature and society |
| EMS | Eduardo Mondlane Stichting | In Dutch | |
| EPF | The Equine Preservation Foundation | In English | → Agricultural sciences |
| ESF | European Science Foundation (www.esf.org) | In English | → Mathematics and natural sciences |
| ETF | European Training Foundation | In English | → Education |
| FACE | Fondation Agir Contre l’Exclusion | In French | → Public administration, government |
| FAEN | Fundación Asturiana de la Energía | In Spanish | → Energy economics |
| FAPE | Fondation Agir Pour l’Emploi | In French | → Labour, labour economics |
| FAPERJ | Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro | In Portuguese | |
| FAPESP | Fundação de Amparo à Pesquisa do Estado de São Paulo | In Portuguese | |
| FCC | Fundação Carlos Chagas | In Portuguese | |
| FCC | Fondations Communautaires du Canada = CFC (look above) |
In French | |
| FCCN | Fundação para a Computação Científica Nacional | In Portuguese | → Computer-based techniques → Mathematics and natural sciences |
| FCRI | Fondation Canadienne pour la Recherche sur l'Incontinence | In French | → Urology |
| FCT | Fundação Ciência Tecnologia | In Portuguese | → Mathematics and natural sciences → Engineering, technology |
| FdF | Fondation de France | In French | |
| FFCSA | Fondation Franco-Chinoise pour la Science et ses Applications | In French | → Mathematics and natural sciences → Engineering, technology |
| FFRE | Fondation Française pour la Recherche sur l'Épilepsie (www.fondation-epilepsie.fr) | In French | → Neurology |
| FHF | Flag Heritage Foundation | In English | → 9299 |
| FIMA | Fundación para la Investigación Médica Aplicada | In Spanish | → Medicine |
| FING | Fondation Internet Nouvelle Génération (www.fing.org) | In French | → Internet |
| FING | Fondation pour l'Internet Nouvelle Génération | In French | → Internet |
| FNEGE | Fondation Nationale pour l'Enseignement de la Gestion des Entreprises | In French | → Economics |
| FNPP | Fundacja Polsko-Niemieckie Pojednanie | In Polish | |
| FOM | (Stichting voor) Fundamenteel Onderzoek der Materie | In Dutch | → 620 |
| FQC | Fondation Québécoise du Cancer | In French | → Oncology |
| FSF | Free Software Foundation | In English | → Software |
| FUNDACYT | Fundación para la Ciencia y la Tecnología | In Spanish | → Mathematics and natural sciences → Applied sciences, technology |
| HAPIN | (Stichting) Hulp Aan Papua's In Nood | In Dutch | → Development |
| IAF | Industrial Areas Foundation | In English | → Industry, industrial policy |
| IAF | Inter-American Foundation | In English | |
| IAF | Irish Arts Foundation | In English | → Arts |
| IASCF | International Accounting Standards Committee Foundation | In English | → Standardization → Commercial law → Applied sciences, technology |
| IEF | International Energy Foundation | In English | → Energy economics |
| IKSV | İstanbul Kültür Sanat Vakfı | In Turkish | |
| IPA | Internet Privatstiftung Austria | In German | → Networks, communication → Telecommunications |
| JEF | Japan Economic Foundation | In English | → Economics |
| KTS | Klaus Tschira Stiftung | In German | |
| LRF | Laogai Research Foundation | In English | |
| MEF | Mount Everest Foundation | In English | |
| NEAF | Near Eastern Archaeology Foundation | In English | → Archeology |
| NECEF | Near East Cultural and Educational Foundation of Canada | In English | → Civilization, culture, progress → Education |
| NFF | National Flag Foundation (www.americanflags.org) | In English | → 9299 |
| NHF | National Hemophilia Foundation | In English | → Blood and circulatory system → Pathology |
| NMWF | New Mexico Women's Foundation | In English | → Feminism |
| NoJEF | Norwich Jubilee Esperanto Foundation | In English | |
| NRF | National Research Foundation | In English | → Mathematics and natural sciences → Applied sciences, technology |
| NSF | National Science Foundation (www.nsf.gov) | In English | → Mathematics and natural sciences |
| ÖFSE | Österreichische Forschungsstiftung für Entwicklungshilfe | In German | → Development |
| OIF | Osteogenesis Imperfecta Foundation | In English | → Pathology |
| ORF | Observer Research Foundation | In English | |
| OSF | Open Software Foundation | In English | → Software |
| REV | Ribat Eğitim Vakfı | In Turkish | |
| SAFER | Stavanger Acute Medicine Foundation for Education and Research | In English | → Education → Traumatology |
| SCARF | Schizophrenia Research Foundation | In English | → Psychiatry |
| SEF | Singapore Epilepsy Foundation (www.epilepsy.com.sg) | In English | → Neurology |
| SEIN | Stichting Epilepsie Instellingen Nederland (www.sein.nl) | In Dutch | → Medicine |
| SNF | Stichting Nederlandse Fotovakhandel | In Dutch | → Trade |
| SOTA | Stichting Onderzoekcentrum Turkistan en Azerbaidzjan | In Dutch | → Area studies |
| SSV | Sigarayla Savaşanlar Vakfı | In Turkish | |
| STIB | Stichting Inkomensbeheer | In Dutch | |
| sTN | Stichting Telecom- en internetgebruikers Nederland | In Dutch | → Networks, communication → Telecommunications |
| STOWA | Stichting Toepast Onderzoek Waterbeheer | In Dutch | → Hydrology → Environmental technology, water supply, waste management |
| STSN | Stichting Tubereuze Sclerosis Nederland | In Dutch | → Neurology |
| SWOV | Stichting Wetenschappelijk Onderzoek Verkeersveilgheid | In Dutch | → Transport and postal services |
| SWSF | Semantic Web Science Foundation | In English | → Software → Networks, communication → Language, linguistics, literature |
| TBV | Türkiye Bilişim Vakfı | In Turkish | |
| TEGV | Türkiye Eğitim Gönüllüleri Vakfı | In Turkish | |
| TEMA | Türkiye Erozyonla Mücadele, Ağaçlandırma ve Doğal Varlıkları Koruma Vakfı (www.tema.org.tr) | In Turkish | → Nature and society → Forestry |
| USRFF | United States Rugby Football Foundation | In English | → Football and rugby |
| VKV | Vehbi Koç Vakfı | In Turkish | |
| WWSF | Woman's World Summit Foundation | In English | → Feminism |
| ZİÇEV | Türkiye Zihinsel Yetersiz Çocukları Yetiştirme ve Koruma Vakfı | In Turkish |