CDFF
| Acronym | Definition |
|---|---|
| CDFF | Centro de Documentação e Formação Fotografica (Portuguese: Photographic Training and Documentation Center) |
| CDFF | Constant-Depth Film Fermenter (microbiology) |
| CDFF | Community Development Finance Fund (est. 1987; Ohio) |
| CDFF | California Department of Forestry Firefighters (Sacramento, CA) |
| CDFF | Channel Definition Format |
| CDFF | Christian Dating for Free |
| CDFF | Capital District Fly Fishers (Colonie, NY) |