The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.

• Dulaang UP Play-9th Season‏‎ (5 members)
• E-Talakayan episodes‏‎ (1 member)
• EEE Faculty‏‎ (1 member)
• EJA Professorial Chair Lectures‏‎ (1 member)
• Economic Journalism‏‎ (1 member)
• Education Faculty‏‎ (23 members)
• Educational Technologies‏‎ (3 members)
• Efforts to Help‏‎ (4 members)
• Elections‏‎ (1 member)
• Electrical and Electronics Engineering Thesis‏‎ (12 members)
• Employee Organization‏‎ (1 member)
• Encoding-Decoding‏‎ (1 member)
• Encyclopedia of Philippine Law‏‎ (0 members)
• Energy Engineering Thesis‏‎ (1 member)
• Engineering Courses‏‎ (1 member)
• Engineering Departments‏‎ (1 member)
• Engineering Faculty‏‎ (28 members)
• Environmental Engineering Thesis‏‎ (14 members)
• Events‏‎ (6 members)
• Events at College of Law‏‎ (1 member)
• Exhibitions at UP Vargas Museum‏‎ (8 members)
• Exhibits at Main Library‏‎ (3 members)
• Existentialism‏‎ (1 member)
• Expe-narrative‏‎ (1 member)
• Experimental‏‎ (2 members)
• FILM INSTITUTE‏‎ (1 member)
• FLCD Faculty‏‎ (10 members)
• FSN Faculty‏‎ (10 members)
• Facebook‏‎ (2 members)
• Faculty Benefits‏‎ (1 member)
• Faculty By College‏‎ (8 members)
• Faculty Manual content‏‎ (1 member)
• Faculty Matters‏‎ (1 member)
• Faculty Member‏‎ (0 members)
• Faculty Organization‏‎ (2 members)
• Faculty Privileges‏‎ (5 members)
• Faculty Regent‏‎ (2 members)
• Faculty and Staff Associations‏‎ (5 members)
• Family‏‎ (6 members)
• Fan Studies‏‎ (1 member)
• Fantasy‏‎ (2 members)
• Father‏‎ (1 member)
• Fear‏‎ (1 member)
• FeaturedThesis‏‎ (1 member)
• Featured Articles‏‎ (2 members)
• Female Rock Musicians‏‎ (1 member)
• Feminism‏‎ (2 members)
• Feminist films‏‎ (1 member)
• Filipino Language, College of Arts and Letters, Sentro ng Wikang Filipino, Events‏‎ (1 member)
• Filipino communicative behavior‏‎ (1 member)