IFSU
| Acronym | Definition |
|---|---|
| IFSU | Ifugao State University (Ifugao, Philippines) |
| IFSU | Internationaler Fachverband Show und Unterhaltungskunst eV (German: International Association of Show and Entertainment Arts) |
| IFSU | intelligent Fiber Service Unit (Lancast) |
| IFSU | International Foundation for Spiritual Unfoldment |
| IFSU | Immigrants from the Former Soviet Union (population) |