The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 50 | next 50) (20 | 50 | 100 | 250 | 500)- 1st Year High School (18 members)
- 2nd Year High School (19 members)
- 3rd Year High School (32 members)
- Akikawa Academy (1 member)
- Anime (182 members)
- Article management templates (4 members)
- Article stubs (34 members)
- Baseball (28 members)
- Baseball Clubs (22 members)
- BlogListingPage (0 members)
- Blog posts (7 members)
- Breaking fastball (3 members)
- Browse (9 members)
- Candidate for deletion (1 member)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Catcher (16 members)
- Category templates (3 members)
- Center Fielder (9 members)
- Changeup (2 members)
- Character Album (15 members)
- Characters (100 members)
- Community (6 members)
- Content (1 member)
- Copyright (0 members)
- Daiya no Ace Volume Covers (47 members)
- Disambiguations (0 members)
- Drama CD (1 member)
- End Cards (139 members)
- Ending (14 members)
- Episodes (181 members)
- Female Characters (8 members)
- Files (2 members)
- First Baseman (10 members)
- First string (1 member)
- Forums (6 members)
- General wiki templates (36 members)
- Guidebook (5 members)
- Hakuryu High School (2 members)
- Help (5 members)
- Help desk (2 members)
- Hidden categories (3 members)
- Image wiki templates (9 members)
- Images (5 members)
- Inashiro High School (15 members)
- Infobox templates (12 members)
- Kokushikan (1 member)
- Komadai Fujimaki High School (3 members)
- Left Fielder (8 members)
- Male Characters (97 members)