- ACFL stands for Assistant Command Fitness Leader (US Navy)
- ACFL stands for Anacortes Community Forest Lands (Anacortes, WA)
- ACFL stands for Acadian Flycatcher (bird)
- ACFL stands for Atlantic Coast Football League (1962-1971)
- ACFL stands for Agreed Cease Fire Line
- ACFL stands for A Canticle For Leibowitz
- ACFL stands for Africa Cares for Life (pregnancy)
ACFL