The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Characters (1880) (17 members)
- Characters (1980) (136 members)
- Characters (2003 Video Game) (19 members)
- Characters (BAC) (19 members)
- Characters (Caprica) (94 members)
- Characters (Deadlock) (10 members)
- Characters (RDM) (617 members)
- Characters (Richard Hatch) (4 members)
- Characters (TOS) (158 members)
- Characters (TOS-DE) (5 members)
- Characters (TOS-RH) (27 members)
- Characters (TRS) (40 members)
- Characters (TSC) (1 member)
- Characters (Video Game) (20 members)
- Characters (jp) (4 members)
- Characters Portrayed by Multiple Actors (33 members)
- Citation templates (19 members)
- Cite Book templates (4 members)
- Cite Episode templates (1 member)
- Classic Battlestar Galactica Vol. 1 (46 members)
- Classic Battlestar Galactica Vol. 2 (118 members)
- Classic Battlestar Galactica Vol. 3 (40 members)
- Collaborators (40 members)
- Collision Course! (1 member)
- Colonial (750 members)
- Colonial (RDM) (6 members)
- Colonial Arts (15 members)
- Colonial Battles (103 members)
- Colonial Battles (1980) (8 members)
- Colonial Battles (Deadlock) (8 members)
- Colonial Battles (RDM) (3 members)
- Colonial Battles (TOS) (46 members)
- Colonial Battles (TRS) (38 members)
- Colonial Craft (236 members)
- Colonial Craft (1980) (5 members)
- Colonial Craft (BAC) (10 members)
- Colonial Craft (Deadlock) (32 members)
- Colonial Craft (RDM) (173 members)
- Colonial Craft (TOS) (45 members)
- Colonial Craft (TRS) (7 members)
- Colonial Day (66 members)
- Colonial Government (27 members)
- Colonial Government (RDM) (17 members)
- Colonial Government (TOS) (9 members)
- Colonial History (99 members)
- Colonial History (Deadlock) (1 member)
- Colonial History (RDM) (60 members)
- Colonial History (TOS) (21 members)
- Colonial History (TRS) (2 members)
- Colonial Military (224 members)