- Source: International Foundation
- International Foundation for Electoral Systems
- Putera Sampoerna Foundation
- Djarum Foundation
- Orangutan Foundation International
- Yayasan Bill & Melinda Gates
- Titi Anggraini
- Open Society Foundations
- Nita Ambani
- Blues Foundation
- Marrel Suryokusumo
- International Foundation
- .xxx
- Benevolence International Foundation
- Rajneesh movement
- Vivekananda International Foundation
- Lions Clubs International
- Interpol
- Timothy Leary
- International Foundation for Electoral Systems
- Messiah Foundation International
The following organizations have been called International Foundation:
al-Aqsa International Foundation, a charity with alleged ties to the Palestinian militant organization Hamas
Benevolence International Foundation, a purported nonprofit charitable trust based in Saudi Arabia
Gaddafi International Charity and Development Foundation, an international non-governmental organization (NGO) with headquarters in the Libyan capital Tripoli and offices in Chad, Germany, the Philippines, and Sudan
Gandhi Memorial International Foundation, a.k.a. Mahatma Gandhi International Foundation, a controversial non-profit organization run by Yogesh K. Gandhi, born Yogesh Kothari, who claims to be related to Mahatma Gandhi
International Foundation for Art Research, created a database that led to the Art Loss Register
International Foundation for Civil Liberties, a non-profit organization and political pressure group established by Russian tycoon Boris Berezovsky
International Foundation for Electoral Systems, provides assistance for elections in new and emerging democracies
International Foundation for Gender Education, American non-profit transgender advocacy organization devoted to "overcoming the intolerance of transvestitism and transsexualism brought about by widespread ignorance"
International Foundation for Human Rights and Tolerance, a human rights group affiliated with Scientology
International Foundation for Protection Officers, a non-profit organization to address training and certification of security officers and their supervisors
International Foundation for Science
IslamIFC (Islamic International Foundation of Cooperation), a nonprofit, non-governmental organization that partners with North American Muslims, non-Muslims, and organizations to promote mutual understanding and cultural exchange
Oasis International Foundation, a foundation to promote knowledge and understanding between Christians and Muslims, with focus on Christian minorities in Muslim countries
Osho International Foundation, an organization that propagates the views of the Rajneesh movement, a religious movement founded by Indian guru and mystic Osho
Reggio Children - Loris Malaguzzi Centre Foundation, to promote education and research
Singapore International Foundation, a not-for-profit organization that seeks to nurture active global citizens and friends for Singapore
Talif International, an international non-profit and charitable Foundation headquartered in Kannur, India
The Fellowship (Christian organization) or The Family, a Christian political organization