- ACFF stands for Alliance for a Cavity-Free Future (international dental health group)
- ACFF stands for Atlantic Coast Functional Foods (China)
- ACFF stands for Armored Core: Formula Front (video game)
- ACFF stands for American Conservation Film Festival (Shepherdstown, WV)
- ACFF stands for Asian Christian Faculty Fellowship
- ACFF stands for American Culinary Federation Foundation, Inc.
- ACFF stands for Aruba College Fair Foundation
- ACFF stands for Association Chrétienne Francaise et de pays Francophones (France)
ACFF