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)- Echidean (1 member)
- Eeveelutiogender System (2 members)
- Eggic (8 members)
- Eldarin Gender System (8 members)
- Element System (21 members)
- Emocoric (1 member)
- Emojigender (5 members)
- Emoticongender (7 members)
- Emotugender (16 members)
- Enigender (2 members)
- Equusagender (1 member)
- Esmogender (2 members)
- Euphogender (3 members)
- Ever After System (7 members)
- Evilgender (1 member)
- Exclusionist (1 member)
- Exclusive Genders (1 member)
- Exclusive Identity (595 members)
- Exemgender (18 members)
- Exipronoun Flag (15 members)
- Expecgender (18 members)
- Ezgender Wiki (8 members)
- FEIN (35 members)
- FELIN (63 members)
- FEMIN (1 member)
- FERRIN (2 members)
- FFIN (1 member)
- FHIN (1 member)
- FIA/FIN Attraction (125 members)
- FIN (387 members)
- FLIN (6 members)
- FNAFgender (14 members)
- FOCIN (1 member)
- FOGIN (1 member)
- Fablegender (14 members)
- False Coric (2 members)
- Fantasy System (2 members)
- Fascigender (1 member)
- Fasfogender (12 members)
- Faunagender (446 members)
- Featured (1 member)
- Felinus System (10 members)
- Felisgender (8 members)
- Female (1 member)
- Feminine Genders (5 members)
- Festivasgender (1 member)
- Fictigender (520 members)
- Fictional romance system (6 members)
- Ficto (2 members)
- Fictosexual (1 member)