FASU
| Acronym | Definition |
|---|---|
| FASU | Financial Analysis and Supervision Unit (various locations) |
| FASU | Festival des Arts et Sports Urbains (French: Festival of Urban Arts and Sports) |
| FASU | Foster and Adoption Services Unit (Connecticut) |
| FASU | Florida Association of Stormwater Utilities |
| FASU | Fédération Algérienne du Sport Universitaire (French: Algerian University Sports Federation; Algeria) |
| FASU | Fleet Air Support Unit (US Navy) |
| FASU | Family Assessment and Support Unit (UK) |