The Characters of Ignited Spark.
Beware of Unmarked Spoilers
- The Trio & The Kendousquad note Izuku Midoriya, Ochako Uraraka, Itsuka Kendou, Nejire Hadou, Setsuna Tokage, Yui Kodai, Tenya Iida, Momo Yaoyorozu, Yuuyu Haya, Melissa Shield
- Class 1-A note Katsuki Bakugou, Tsuyu Asui, Mina Ashido, Pony Tsunotori, Reiko Yanagi, Mezo Shouji, Denki Kaminari, Kyouka Jirou, Hanta Sero, Fumikage Tokoyami, Yosetsu Awase
- Other Students & UA Facultynote Shouto Todoroki, Himiko Toga, Tetsutetsu Tetsutetsu, Mirio Togata, Tamaki Amajiki, Neito Monoma, Hitoshi Shinsou, Mei Hatsume, Minoru Mineta, All Might, Eraserhead, Recovery Girl, Tenko Shimura, Midnight, Present Mic, Nezu
- Other Pro Heroes & Civiliansnote Endeavor, Hawks, Edgeshot, Miruko, Ryukyu, Sir Nighteye, Gran Torino, Ingenium, Bubble Girl, The Hero Killer's Hunter, Inko Midoriya, Hisashi Midoriya, The Urarakas, The Kendous, Teko Kendou, Eri, Hana Shimura, Fuyumi Todoroki, Naomasa Tsukauchi, Yukiri Yaoyorozu, Daikoku Yaoyorozu, Katsuma Shimano, Mahoro Shimano, Mimi Hadou, Hideaki Hadou, Niyuki Hadou, Grandpa and Granny Hadou
- Other Groups & Outside Japannote Kanshi Shiryoku, Lady Nagant, Sol, Shuichi Iguchi, Leader, PopāStep, Knuckleduster, Gentle, La Brava, Ordinary Girl, Twice, Rapt Tokage, Soga Kugizaki Magne, David Shield, Samuel 'Sam' Abraham, Nana Shimura
- Villainsnote All For One, Kyudai Garaki, Kurogiri, The Hooded Man, The UA Traitor, Flect Turn, Skip, Jin Bubaigawara, Beros, Overhaul, Shin Nemoto, Chronostasis, Mimic, The Rapper, Rikiya Katsukame, Re-Destro, Curious, Trumpet, Skeptic, Geten, Slidin' Go, Sludge Villain, Vortex
- The Villain Consortiumnote Nine, Slice, Chimera, Mummy, Camie Utsushimi, Moonfish, Curator, Zookeeper, Bearhead, Volcano, Dusty Ash, Gast Boy, USJ Thugs, Giran