 | A Significant Chunk of the Population | | 3 |
 | Ace Wolfhart | Eerie Cuties | 1 |
| Adam | Sorority Boys | 1 |
| Adam Whitely | The Adventures of Priscilla, Queen of the Desert | 1 |
 | Aeryn Sun | Farscape | 1 |
| Ah-Hin Kim | Angel Diary (Korean) | 1 |
| Aida Kensuke | Neon Genesis Evangelion | 3 |
| Aihara Takuya | X-Change | 3 |
| Aizawa Kyo | Power!! | 1 |
| Alan | Glen or Glenda | 1 |
| Alanna of Trebond | Alanna: The First Adventure | 1 |
Stories Incorporating This Character
|
| Alex | Building 12 | 1 |
 | Alex | XXY | 1 |
| Alex Summers (Havok) | X-Men | 1 |
| Alexander "Xander" Harris | Buffy the Vampire Slayer | 7 |
| Alexis Meade | Ugly Betty | 1 |
| Alice Longbottom | Harry Potter | 1 |
| Allison | Closetspace | 1 |
| Amamiya Takashi | Akane-chan Overdrive | 1 |
| Amano Makoto | W-Juliet | 1 |
| Amatsuka Megumi | Tenshi na Konamaiki | 2 |
| Amawa Hibiki | I, My, Me! Strawberry Eggs | 1 |
| Amy Wong | Futurama | 1 |
| Angela Baker | Sleepaway Camp | 1 |
| Anne Onymous | The Wotch | 1 |
| Anthony "Tick" Belrose | The Adventures of Priscilla, Queen of the Desert | 1 |
| Aono Tsukune | Rosario+Vampire | 1 |
| Applejack | My Little Pony: Friendship is Magic | 1 |
| Archie Andrews | Archie | 1 |
| Argus Filch | Harry Potter | 1 |
| Arisu Fujii | Akane-chan Overdrive | 1 |
| Arnold Rimmer | Red Dwarf | 1 |
| Asakura Mizuki | Yin-Yang! X-Change Alternative | 1 |
| Ash Ketchum | Pokémon | 2 |
| Ash Upton | Misfile | 1 |
| Ashiya Mizuki | Hana Kimi | 1 |
| Asou Seiji | Detective Conan | 1 |
| Author Self-Insert | | 2 |
| Ayanami Rei | Neon Genesis Evangelion | 1 |
| Ayasaki Hayate | Hayate the Combat Butler | 1 |
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