Categories
The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- OOUI icons-destructive (1 member)
- OOUI icons-invert (1 member)
- OOUI icons-progressive (2 members)
- OOUI icons MediaWiki indicators (2 members)
- Oaxaca userboxes (6 members)
- Occupational safety and health templates (1 member)
- Oceania ethnic group userboxes (3 members)
- Oceania navigational boxes (1 member)
- Oceania userboxes (6 members)
- Octagonal hand stop icons (1 member)
- Odisha userboxes (5 members)
- Official emblems with transparent background (3 members)
- Ohio state flag (1 member)
- Ohio templates (1 member)
- Ohio userboxes (8 members)
- Oklahoma templates (1 member)
- Oklahoma userboxes (8 members)
- Old requests for peer review (1 member)
- Oldid templates (2 members)
- Olympics flag templates (5 members)
- Oncorhynchus mykiss (2 members)
- Ontario userboxes (6 members)
- Open access logos and banners (3 members)
- Open administrator elections (0 members)
- Open bureaucrat elections (0 members)
- Operation Cannae (1 member)
- Operation Wildfang (1 member)
- Optional Internals (30 members)
- Orange Line (Washington Metro) (1 member)
- Orange SVG clock icons (1 member)
- Orange SVG encircled arrow icons (1 member)
- Orange SVG icons (3 members)
- Orange and purple logos (1 member)
- Orange and white SVG icons (2 members)
- Orange check marks (1 member)
- Orange circles (1 member)
- Orange icons (2 members)
- Orange letter X (1 member)
- Orange symbols (1 member)
- Orange triangles (1 member)
- Ordem e Progresso (text) (1 member)
- Order of the Star of India on flags (1 member)
- Orders, decorations, and medals templates (1 member)
- Ordnance Survey Boundary Line maps (1 member)
- Oregon templates (1 member)
- Oregon userboxes (8 members)
- Organisation of Islamic Cooperation (1 member)
- Organisation of Islamic Cooperation userboxes (1 member)
- Organization (12 members)
- Organization infobox templates (1 member)