Aliases
| Name | Aliases |
|---|---|
| Acguy | MSM-04 |
| Acheron | Raiden Bosenmori Mei |
| Achilles | ＂赤＂のライダー (Rider of Red) |
| Achtung Baby | Shizuka Joestar (静・ジョースター) |
| Acorn Woodpecker | Tsukki |
| ACR | Adaptive Combat Rifle |
| Act-Co-Acto | Akuto Ko Akutoo |
| Ada Wong | Eida Won |
| Adam | Erich von Raitenau |
| ADAM | 神道愛之介 Ainosuke Shindo |
| Adam Evans | Rubberband Man |
| Adam Pangratt | Adieu |
| Adberg Erdle | Kita Kita Oyaji |
| Add | Edward Grenore |
| Add | Mastermind |
| Addam Origo | Adel Oldou |
| Addis Sata | Addis Ira, The Ruthless Autocrat |
| Adelheid von Bergstrasse | Aa-chan |
| Adeltrud Olter | Ady |
| Adenine | Shiki |
| Adi | Codec |
| Adin | Holy Flame Adin, Serene Purity Adin, Verdant Adin |
| Adiramu | Adiraamu |
| Admiral | Ittetsu |
| Adolf Reinhart | Roberto |
| Adrian Andrews | Kirio Kamiya |
| Adrian Toomes | Vulture |
| Adrien Agreste | Cat Noir |
| Adrien de Rouleau | Le Papillon |
| Aegaeon | Wadatsumi |
