The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Horses (42 members)
- Houses (4 members)
- Humans (76 members)
- Images (5 members)
- Indians (0 members)
- Infobox templates (13 members)
- Jockeys (3 members)
- Locations (41 members)
- Lovers (2 members)
- Male (0 members)
- Males (67 members)
- Mares (0 members)
- Media (6 members)
- Movies (3 members)
- Musicians (2 members)
- Musics (0 members)
- Need pictures right now (0 members)
- Neutral Characters (22 members)
- Objects (14 members)
- Organization (2 members)
- Pages with broken file links (28 members)
- Palomino Bluffs students (13 members)
- Parents (21 members)
- Passaros (0 members)
- Positive Characters (64 members)
- Possibly deceased (0 members)
- Protagonists (9 members)
- Pumas (0 members)
- Rhymes (1 member)
- Riders (47 members)
- Seasons (13 members)
- Series (5 members)
- Single (38 members)
- Sisters (1 member)
- Site administration (1 member)
- Site maintenance (2 members)
- Songs (21 members)
- Spin-Offs (1 member)
- Spirit Wiki (17 members)
- Stubs (1 member)
- TV series characters (105 members)
- Template documentation (11 members)
- Templates (15 members)
- Towns (4 members)
- Veterinarian (2 members)
- Videos (42 members)
- Villains (18 members)
- Voice Actors (11 members)
- We need pictures right now (0 members)
- Webisodes (7 members)