The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Blog posts (1 member)
- Browse (8 members)
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- Disambiguations (0 members)
- Forums (6 members)
- General wiki templates (1 member)
- Hallow Ink (1 member)
- Help (3 members)
- Help desk (2 members)
- Images (0 members)
- Ink Master (6 members)
- LGBTQ (3 members)
- Merry Ink (5 members)
- New Years Ink (5 members)
- PoC (13 members)
- Season 2 (1 member)
- Season Five (3 members)
- Season Four (17 members)
- Season One (10 members)
- Season Three (17 members)
- Season Two (17 members)
- Seasons (3 members)
- Specials (2 members)
- Tattooist (58 members)
- Template documentation (28 members)
- Templates (28 members)
- Watercooler (2 members)
- Women (10 members)