The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Add Wikilinks (5 members)
- Alabama (0 members)
- Alaska (0 members)
- All articles containing potentially dated statements (61 members)
- Ambox derived works (1 member)
- American Samoa (1 member)
- Android (0 members)
- Archival templates (0 members)
- Archive (1 member)
- Area Manager procedures/Old information (0 members)
- Area Manager template (9 members)
- Area Manager templates (1 member)
- Arizona (4 members)
- Arkansas (0 members)
- Arrow (11 members)
- Articles containing potentially dated statements (0 members)
- Articles containing potentially dated statements from 2009 (1 member)
- Articles containing potentially dated statements from 2016 (1 member)
- Articles containing potentially dated statements from 2017 (3 members)
- Articles containing potentially dated statements from April 2015 (0 members)
- Articles containing potentially dated statements from April 2017 (1 member)
- Articles containing potentially dated statements from April 2020 (1 member)
- Articles containing potentially dated statements from August 2012 (1 member)
- Articles containing potentially dated statements from August 2014 (0 members)
- Articles containing potentially dated statements from August 2019 (1 member)
- Articles containing potentially dated statements from August 2022 (1 member)
- Articles containing potentially dated statements from December 2014 (0 members)
- Articles containing potentially dated statements from December 2017 (2 members)
- Articles containing potentially dated statements from December 2021 (1 member)
- Articles containing potentially dated statements from February 2015 (2 members)
- Articles containing potentially dated statements from February 2016 (3 members)
- Articles containing potentially dated statements from February 2018 (3 members)
- Articles containing potentially dated statements from February 2020 (1 member)
- Articles containing potentially dated statements from February 2023 (1 member)
- Articles containing potentially dated statements from January 2015 (2 members)
- Articles containing potentially dated statements from July 2011 (0 members)
- Articles containing potentially dated statements from July 2014 (1 member)
- Articles containing potentially dated statements from July 2018 (2 members)
- Articles containing potentially dated statements from June 2015 (0 members)
- Articles containing potentially dated statements from June 2016 (1 member)
- Articles containing potentially dated statements from March 2015 (1 member)
- Articles containing potentially dated statements from March 2016 (0 members)
- Articles containing potentially dated statements from March 2017 (1 member)
- Articles containing potentially dated statements from March 2022 (1 member)
- Articles containing potentially dated statements from March 2023 (1 member)
- Articles containing potentially dated statements from May 2013 (0 members)
- Articles containing potentially dated statements from May 2015 (0 members)
- Articles containing potentially dated statements from May 2018 (0 members)
- Articles containing potentially dated statements from May 2020 (1 member)
- Articles containing potentially dated statements from May 2024 (1 member)
- Articles containing potentially dated statements from November 2015 (0 members)
- Articles containing potentially dated statements from November 2018 (1 member)
- Articles containing potentially dated statements from November 3,2013 (0 members)
- Articles containing potentially dated statements from October 2014 (2 members)
- Articles containing potentially dated statements from October 2015 (0 members)
- Articles containing potentially dated statements from October 2016 (1 member)
- Articles containing potentially dated statements from October 2018 (7 members)
- Articles containing potentially dated statements from September 2014 (1 member)
- Articles containing potentially dated statements from September 2019 (1 member)
- Articles containing potentially dated statements from September 2020 (1 member)
- Articles containing potentially dated statements from before 1990 (1 member)
- Articles using fixed number of columns in reflist (1 member)
- Articles with invalid date parameter in template (3 members)
- Bad external links (0 members)
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- Categories needing attention (7 members)
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- Character-substitution templates (10 members)
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- Cleanup templates (1 member)
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- Colorado (1 member)
- CommonState (1 member)
- Communication templates (1 member)
- Community Administration (16 members)
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- Computer keys (2 members)
- Connecticut (7 members)
- Construction (134 members)
- Convert to subpage (0 members)
- Convert to subpages (12 members)
- Country list (2 members)
- Cross-reference templates (1 member)
- Custom color scheme (1 member)
- Date-computing templates (4 members)
- Delaware (1 member)
- Disambiguation (29 members)
- Disambiguation and redirection templates (3 members)
- District of Columbia (1 member)
- Doctorblah (1 member)
- Documentation assistance templates (2 members)
- Documentation pages (7 members)
- Documentation see also templates (1 member)
- Documentation shared content templates (1 member)
- Documentation subpages without corresponding pages (8 members)
- Drawing (3 members)
- Editing (0 members)
- Editor Rank Images (62 members)
- Editor revision/Old images (0 members)
- Editor revision/Old information (0 members)
- Editor revision/Old text (0 members)
- En (0 members)
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- Escape character templates (14 members)
- Examples (2 members)
- Expand template documentation (3 members)
- Florida (0 members)
- Formatting and function templates (1 member)
- Formatting templates (13 members)
- ForumLink using Community (37 members)
- Forum badges (9 members)
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- Freeway (1 member)
- GR (0 members)
- Gas Station (5 members)
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- Global (2 members)
- Global image archive (6 members)
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- Graphics templates (1 member)
- Great Lakes (1 member)
- Guam (1 member)
- Guideline properties (16 members)
- Hatnote templates (5 members)
- Hatnote templates documentation (1 member)
- Hawaii (1 member)
- Hidden categories (3 members)
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- IPhone (1 member)
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- ISO date templates (1 member)
- Icons (14 members)
- Idaho (1 member)
- Illinois (3 members)
- Image required (9 members)
- Image templates (1 member)
- Images (2 members)
- Improper wiki style (0 members)
- Incomplete templates (19 members)
- Index (23 members)
- Indexed pages (2 members)
- Indiana (2 members)
- Indonesia (0 members)
- Info required (7 members)
- Infobox templates (3 members)
- Inline cleanup templates (1 member)
- Inline templates (5 members)
- Interface templates and forms (3 members)
- Internal link maintenance templates (2 members)
- Internal link templates (10 members)
- Iowa (1 member)
- JP (6 members)
- Junction (13 members)
- Kansas (1 member)
- Kentucky (1 member)
- Lang templates (0 members)
- Language Templates (0 members)
- Language templates (1 member)
- Line-handling templates (0 members)
- Linking templates (5 members)
- Live Map (1 member)
- Lock (2 members)
- Locking standards (2 members)
- Louisiana (1 member)
- Maine (3 members)
- Maintenance navigation (1 member)
- Maintenance templates (11 members)
- Major revision 1968-07-03 (1 member)
- Major revision 2000/12/29 (2 members)
- Major revision 2000/12/30 (2 members)
- Major revision 8/5/71 (1 member)
- Make Subpage (5 members)
- Mapraid (55 members)
- Mapraid Images (1 member)
- Mapraid JerseyShore images (12 members)
- Mapraid LA images (18 members)
- Mapraid Ohio Image (15 members)
- Mapraid SC Beachcomber (11 members)
- Mapraid images (4 members)
- Maryland (1 member)
- Mass Edits (1 member)
- Massachusetts (2 members)
- Mathematical function templates (1 member)
- Mbox templates (13 members)
- Mega map raid (7 members)
- Mentoring (10 members)
- Michigan (2 members)
- Mid Atlantic (5 members)
- Minnesota (1 member)
- Missing Documentation (0 members)
- Missing documentation (0 members)
- Missing template documentation (32 members)
- Mississippi (1 member)
- Missouri (0 members)
- Montana (1 member)
- Move to new Mbox format (1 member)
- Namespace manipulation templates (1 member)
- Navbox (1 member)
- Navbox (navigational) templates (1 member)
- Navboxes (1 member)
- Navigation templates (1 member)
- Navigational boxes (1 member)
- Nearly orphaned pages (0 members)
- Nebraska (1 member)
- NeedPage (2 members)
- Need to move to Main NS (0 members)
- Nevada (2 members)
- New (41 members)
- New England (0 members)
- New Hampshire (0 members)
- New Jersey (3 members)
- New Mexico (1 member)
- New Road Layer (35 members)
- New York (8 members)
- Node (4 members)
- Noindexed pages (13 members)
- North Carolina (4 members)
- North Dakota (1 member)
- Northern Mariana Islands (1 member)
- Notable revision 2000/3/21 (2 members)
- Notable revision 2015/2/4 (1 member)
- Notable revision 9/13/90 (1 member)
- Obsolete (90 members)
- Ohio (0 members)
- Oklahoma (1 member)
- Oregon (2 members)
- Page-section templates (1 member)
- Page formatting templates (6 members)
- Page message templates (2 members)
- Pages Needing Attention (45 members)
- Pages using deprecated source tags (1 member)
- Pages using duplicate arguments in template calls (13 members)
- Pages where expansion depth is exceeded (484 members)
- Pages which use = as a template (78 members)
- Pages with TemplateStyles errors (4 members)
- Pages with broken file links (56 members)
- Pages with ignored display titles (4 members)
- Pages with incorrect protection templates (4 members)
- Pages with template loops (5 members)
- Parking Lot (1 member)
- Parking Lot Road (3 members)
- Pennsylvania (3 members)
- PesachZ (1 member)
- Place (7 members)
- Place templates (0 members)
- Placeholder templates (0 members)
- Portal (3 members)
- Portal templates (2 members)
- Positioning templates (1 member)
- Potentially outdated (1 member)
- Programming typing-aid templates (1 member)
- Protected templates (3 members)
- Puerto Rico (0 members)
- Ramp (1 member)
- Red Links (1 member)
- Regional Coordinator template (3 members)
- Request for deletion (0 members)
- Request for global cleanup (0 members)
- Request for global merge (0 members)
- Review For Subpages (0 members)
- Review Purpose (1 member)