The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- A. Marie images (2 members)
- AI characters (2 members)
- ATW-Huntsman images (2 members)
- Ability icons (84 members)
- Accel (1 member)
- Achievement icons (62 members)
- Actors (18 members)
- African Characters (1 member)
- Aircraft (8 members)
- Akari images (3 members)
- Alejandra images (2 members)
- Alternate Universe (3 members)
- American Southwest Characters (19 members)
- American characters (16 members)
- Ana (8 members)
- Ana/zh-hans (1 member)
- Ana Cosmetics (211 members)
- Ana images (44 members)
- Ana sound files (3 members)
- Animal characters (6 members)
- Animation (25 members)
- Animators (12 members)
- Anniversary Cosmetics (53 members)
- Antonio images (2 members)
- Anubis images (3 members)
- Arcade games (6 members)
- Art books (5 members)
- Articles marked for cleanup (0 members)
- Articles marked for open review (2 members)
- Artificial intelligence (3 members)
- Artillery images (3 members)
- Artists (41 members)
- Artwork: Cute But Deadly (21 members)
- Asa Yamagami images (7 members)
- Ashe (7 members)
- Ashe Cosmetics (272 members)
- Ashe images (22 members)
- Ashe sound files (0 members)
- Asian Teams (1 member)
- Athena (1 member)
- Athena images (3 members)
- Athena sound files (0 members)
- Aurora images (11 members)
- Australian characters (12 members)
- Australians (1 member)
- B.O.B. images (9 members)
- Balderich von Adler images (4 members)
- Bands (1 member)
- Baptiste (8 members)
- Baptiste Cosmetics (115 members)