| Acronym | Definition |
|---|
| ISFA | International Society for Apheresis |
| ISFA | International String Figure Association (Pasadena, California) |
| ISFA | Institut de Science Financière et d'Assurances (French: Institute of Financial Science and Insurances) |
| ISFA | Internet Soccer Fans Association |
| ISFA | International Society of Financial Analysts |
| ISFA | Illinois Sports Facility Authority |
| ISFA | Information Systems Forensics Association |
| ISFA | Indiana State Festivals Association |
| ISFA | Independent Schools Football Association |
| ISFA | International Scottish Fold Association |
| ISFA | International Shootfighting Association |
| ISFA | International Salmon Farmers Association |
| ISFA | Illinois State Fabricare Association |
| ISFA | Illinois State Florists' Association |
| ISFA | Information System for Analysts |
| ISFA | Information Standard for Analysts |
| ISFA | Insurance Scholarship Foundation of America |
| ISFA | Irish Science Fiction Association |
| ISFA | In So Far As |
| ISFA | Initiative for Smoke-Free Apartments |
| ISFA | Institut für Sozialpsychiatrische |
| ISFA | Indian Springs Farmers Association |
| ISFA | Internet Symposium on Food Allergens |
| ISFA | International Student Financial Aid |
| ISFA | International Scientific Film Association |
| ISFA | Independent Schools Foundation Academy (Hong Kong) |
| ISFA | Independent Slow Feature Analysis |
| ISFA | International Soccer Fans Association |
| ISFA | Instituto de Saúde da Força Aérea |
| ISFA | Indonesia-Singapore Friendship Association |
| ISFA | Idrettens Studieforbund I Akershus (Norwegian) |
| ISFA | Immigration Services for All, Inc. (Canada) |
| ISFA | Institut Superieur de Formation Aeronautique (French) |
| ISFA | Isarn Small Scale Farmers' Assembly |
| ISFA | Indonesian SEARCA Fellows Association |
| ISFA | Instituto Superior de las Fuerzas Aéreas (Spanish: Air Force Staff College) |
| ISFA | International Society of Friends of Aetherometry |
| ISFA | Indianapolis Society of Financial Analysts |
| ISFA | Iowa Society of Financial Analysts Inc |
| ISFA | Institute of Finance and Insurance Science |
| ISFA | International Star Fleet Association |
| ISFA | International Symposium on Fluorescein Angiography |
| ISFA | Illinois Sport Fishing Awards |
| ISFA | Industrial Support Functional Area |
| ISFA | Interkulturellen Schule Fortbildung und Ausbildung (German school) |