AFL
- AFL (2011 video game)
- AFL (video game series)
- Abstract family of languages
- Academic Free License
- Actresses' Franchise League
- Adaptive front light
- Aeroflot
- Aflac
- African Football League
- After-fader listen
- Alberta Federation of Labour
- Alberta Football League
- Alta Floresta Airport
- American Federation of Labor
- American Fencing League
- American Football League
- American Football League (1926)
- American Football League (1934)
- American Football League (1936)
- American Football League (1938)
- American Football League (1940)
- American Football League (1944)
- American Football League (1946)
- American Fuzzy Lop (software)
- Angel Foundation for Learning
- Anglicans for Life
- Ankara Science High School
- Anti-Federalist League
- Anti-Football League
- Arbeidernes Faglige Landsorganisasjon
- Arena Football League
- Arizona Fall League
- Armed Forces of Liberia
- Army of Free Lebanon
- Armée française de la Libération
- Artsakh Football League
- Assessment for learning
- Astrobiology Field Laboratory
- Atrial flutter
- Australian Football League
- Australian Freedom League
- Australian rules football
- Austrian Football League
- Lisbon Football Association