The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Newhaven Valley (136 members)
- Non-talk pages with subpages that are automatically signed (1 member)
- Northreach (73 members)
- OffHand (0 members)
- Offhand (4 members)
- Offhand Accessory (6 members)
- Offhands (55 members)
- Outfitter (27 members)
- Pages using infobox3cols with c without a or b (2 members)
- Pages using navbox columns without the first column (1 member)
- Pages using reflist with unknown parameters (1 member)
- Pages with broken file links (280 members)
- Pages with script errors (310 members)
- Pages with too many expensive parser function calls (2 members)
- Patch Notes (30 members)
- Pauldron (14 members)
- Polearm (10 members)
- Polearms (1 member)
- Potions (11 members)
- Programming typing-aid templates (2 members)
- Prospector (6 members)
- Provisioner (31 members)
- Quarterstaff (17 members)
- Quarterstaffs (1 member)
- Quest (2 members)
- Quest Item (8 members)
- Quests (53 members)
- Ranged (43 members)
- Reagent (16 members)
- Recipe (1 member)
- Recipes (148 members)
- Recipies (0 members)
- Redirects from moves (7 members)
- Redshore (53 members)
- Repair Kits (1 member)
- Ring (24 members)
- Rings (1 member)
- Roles (13 members)
- Scribunto modules with errors (1 member)
- Script–font templates (1 member)
- Section and anchor link formatting templates (1 member)
- Shield (39 members)
- Shields (1 member)
- Shortbow (1 member)
- Shortbows (4 members)
- Shoulder (1 member)
- Shrieking Barrows (7 members)
- Sidebar meta-templates (1 member)
- Skill (24 members)
- Smelling Salts (3 members)