O-Koh
O-Ren Ishii
O-Tama
Oaklyn
Oaklynn
Oana
Oanez
Obaba Hisako
Obdulia
Oboro Iga
Oceane
Ochaco Uraraka
Ochako'S Mother
Octavia
Oda
Odalys
Odarka
Odelia
Odeta
Odetta
Odette
Odharnait
Odila
Odile
Odilia
Odilie
Odtsetseg
Oeinn
Oenone
Ofelia
Ofeliya
Officer Jenny
Ofira
Ogechi
Ogechukwukama
Ognena
Ognyana
Ohana Matsumae
Oharu
Ohmiya-No-Me-No-Kami
Oie
Oighrig
Oihana
Oili
Oinone
Ojou
Oka-San
Okami
Okappa
Okiku
Okoi
Oksana
Oktawia
Oktyabrina
Ola
Olafur
Olalla
Olaug
Old Woman
Older Sister Maid
Older Sister Spider Demon
Oldriska
Oleksandra
Olena
Olesya
Olga