The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Comics image templates (1 member)
- Comics infobox image less caption (1 member)
- Company infobox templates (1 member)
- Copyright (3 members)
- Correct title templates (2 members)
- Cover art (11 members)
- Creative Commons Attribution-ShareAlike 3.0 files (2 members)
- Creative Commons copyright templates (2 members)
- Currency copyright tags (8 members)
- Days Of Thunder (0 members)
- Days of Thunder (7 members)
- Disambiguation and redirection templates (1 member)
- Documentation assistance templates (4 members)
- Documentation see also templates (1 member)
- Documentation shared content templates (3 members)
- Documentation subpages without corresponding pages (1 member)
- Duration with input error (2 members)
- Duration without hAudio microformat (8 members)
- EP art (3 members)
- Early Song Snippets (9 members)
- Embeddable templates (5 members)
- Endless Summer (15 members)
- Explanatory footnote templates (1 member)
- External link templates using Wikidata (1 member)
- Facebook Archive (1 member)
- Fall 2018 Tour Photos (38 members)
- Fall 2019 Tour Photos (58 members)
- Fall 2021 and Spring 2022 Tour Photos (83 members)
- Fall 2023 North American Tour Photos (130 members)
- File copyright tags (2 members)
- File message boxes (102 members)
- File namespace templates (3 members)
- Film templates (2 members)
- Finland templates (1 member)
- Floppy Disk Articles (9 members)
- Function templates (1 member)
- Graphic novel pop (1 member)
- Graphics templates (1 member)
- Hatnote templates (1 member)
- Heavily used templates (3 members)
- Heroes (14 members)
- Hidden categories (8 members)
- Horror Show (8 members)
- Imported vocabulary (7 members)
- Infobox modules (1 member)
- Infobox templates (10 members)
- Infobox templates using Wikidata (1 member)
- Infobox templates with module parameter (4 members)
- Interface Icons (3 members)
- Internationalization templates (1 member)