The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 400 Days Characters (49 members)
- Abbey of Saint Bernadette (13 members)
- Abigail Vineyard (17 members)
- Abraham's Group (43 members)
- Active Groups (8 members)
- Active Skills (3 members)
- Addicts (110 members)
- Administrators (8 members)
- Adoptees (49 members)
- Aftershocks Characters (18 members)
- Alert (57 members)
- Alexandria Safe-Zone (602 members)
- Alien Army (23 members)
- Aliens (8 members)
- Alive (1,263 members)
- All-Stars (652 members)
- All-Stars Characters (506 members)
- All-Stars Locations (111 members)
- Alliance of the Three (111 members)
- Ally Alignment (21 members)
- Alone, Together (14 members)
- Alone, Together Characters (13 members)
- Also Starring (443 members)
- Amish Group (14 members)
- Amputated Victims (278 members)
- Anderson Camp (9 members)
- Animals (132 members)
- Antagonists (1,370 members)
- Apps (30 members)
- Arcade (14 members)
- Arcade Characters (10 members)
- Article management templates (36 members)
- Article stubs (392 members)
- Article templates (2 members)
- Artists (12 members)
- Ascendable Characters (12 members)
- Assault (37 members)
- Assault Chapters (9 members)
- Assault Characters (27 members)
- Assault Galleries (16 members)
- Assault Rifles (23 members)
- Asyl (86 members)
- Athens, Georgia (1 member)
- Atlanta Highway (31 members)
- Atlanta Medical Center (11 members)
- Atlanta Run (8 members)
- Atlanta Survivor Camp (148 members)
- Awards (4 members)
- Babies (38 members)
- Background Characters (45 members)