The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Actresses (1 member)
- Animation (2 members)
- Antagonists (1 member)
- BlogListingPage (0 members)
- Blog posts (9 members)
- Books (8 members)
- C (1 member)
- Characters (34 members)
- Children (1 member)
- Corps de Ballet (4 members)
- Deceased characters (4 members)
- El fantasma de la operetta (1954) (1 member)
- El fantasma de la operetta (1959) (1 member)
- Females (10 members)
- Films (17 members)
- Forums (1 member)
- Heroes (1 member)
- Heroines (2 members)
- Hidden categories (2 members)
- Humans (6 members)
- Image wiki templates (1 member)
- Images (6 members)
- Love (3 members)
- Love story (3 members)
- Main Characters (14 members)
- Males (14 members)
- Media (5 members)
- Musicals (11 members)
- No One Would Listen (0 members)
- Operas (2 members)
- Opéra Garnier (8 members)
- Pages with broken file links (0 members)
- Phantom of the Opera (22 members)
- Real World (2 members)
- Sheet (1 member)
- Songs (8 members)
- Summary of every chapter the phantom of the opera (0 members)
- Television (1 member)
- Templates (4 members)
- The Phantom of the Opera at Royal Albert Hall (2011) (1 member)
- Theme Parks (1 member)
- To Be Deleted (12 members)
- Videos (2 members)
- Villains (1 member)