The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- A to Z (32 members)
- Ardala Returns (1 member)
- Awakening (1 member)
- Background Character (Season 1) (1 member)
- Bad Water (6 members)
- Battlestar Wiki Templates (2 members)
- Better Than Martians (1 member)
- Blu-ray screen captures (Bad Water) (3 members)
- Blu-ray screen captures (Games) (2 members)
- Blu-ray screen captures (Knight of Shadows) (1 member)
- Blu-ray screen captures (Such Great Patience) (1 member)
- Blu-ray screen captures (The Devil's Window) (1 member)
- Blu-ray screen captures (The Good Death) (1 member)
- Blu-ray screen captures (The Last Lap of Luxury) (1 member)
- Blu-ray screen captures (To Be or Not to Be) (31 members)
- Blu-ray screen captures (Treasure of the Mind) (1 member)
- Blu-ray screen captures (seaQuest DSV) (42 members)
- Brave New World (8 members)
- Buck Wiki Templates (1 member)
- Characters (Season 1) (11 members)
- Characters (Season 2) (1 member)
- Characters (Season 3) (1 member)
- Conflicts (1 member)
- Corporations (1 member)
- Daggers (5 members)
- Descriptive terms (1 member)
- Disambiguation (2 members)
- Escape from Wedded Bliss (1 member)
- External Link Templates (1 member)
- Flight of the War Witch (1 member)
- Games (5 members)
- Good Soldiers (1 member)
- Greed for a Pirate's Dream (1 member)
- Higher Power (8 members)
- Image tags (2 members)
- Image tags helper templates (9 members)
- In the Company of Ice and Profit (1 member)
- Infobox (3 members)
- Infoline (2 members)
- Knight of Shadows (3 members)
- Locations (1 member)
- Mentioned-Only Characters (1 member)
- Mentioned-Only Characters (Season 1) (1 member)
- Mercenaries (1 member)
- Military (2 members)
- Nor-Pac Officers (1 member)