The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Wikipedia license migration templates (3 members)
- Wikipedia metatemplates (1 member)
- Wikipedia multilingual support templates (1 member)
- Wikipedia non-free file copyright templates (94 members)
- Wikipedia non-free files with NFUR stated (1 member)
- Wikipedia pages with incorrect protection templates (50 members)
- Wikipedia template categories (1 member)
- Wikipedia transclusionless templates (4 members)
- Wikipedia utility templates (1 member)