The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- //Sherlock (1 member)
- //Sherlock Characters (1 member)
- //Sherlock Holmes Books Characters (2 members)
- //Sherlock Holmes Portrayers (1 member)
- /Sherlock episodes (2 members)
- 19th Century (9 members)
- 19th Century Characters (5 members)
- 19th Century Places (2 members)
- All (2 members)
- Alternate Content (11 members)
- America (2 members)
- American Medias (24 members)
- American Portrayers (18 members)
- Animals (5 members)
- Animated Medias (8 members)
- Artists (3 members)
- Asian Portrayers (3 members)
- Authors (4 members)
- Board Games (1 member)
- Book Series (7 members)
- Books (26 members)
- Books Characters (12 members)
- British Medias (0 members)
- British Portrayers (2 members)
- Canada (2 members)
- Canadian Medias (1 member)
- Canadian Portrayers (4 members)
- Candidates for deletion (1 member)
- Cartoons Characters (4 members)
- Characters (121 members)
- Characters Galleries (2 members)
- Chinese Portrayers (2 members)
- Comics (2 members)
- Contemporaries Medias (7 members)
- Content (15 members)
- Content including real-life elements (54 members)
- Continents (6 members)
- Countries (7 members)
- Days Templates (1 member)
- Days templates (7 members)
- Deceased Characters (13 members)
- Directors (3 members)
- Elementary (11 members)
- Elementary Characters (2 members)
- Elementary Portrayers (2 members)
- England (2 members)
- English Medias (8 members)
- English Portrayers (40 members)
- Enola Holmes Movies Portrayers (5 members)
- Episodes (9 members)