Alphabetically listed kanji starting with "O"
- 惜o-shii
- 惜o-shimu
- 吝o-shimu
- 嗇o-shimu
- 悋o-shimu
- 慳o-shimu
- 穡o-shimu
- 推o-su
- 押o-su
- 托o-su
- 捺o-su
- 擠o-su
- 壓o-su
- 落o-tosu
- 隕o-tosu
- 殞o-tosu
- 貶o-tosu
- 墮o-tosu
- 生o-u
- 追o-u
- 負o-u
- 駈o-u
- 躡o-u
- 襁o-u
- 趁o-u
- 驅o-u
- 杪o-wari
- 終o-waru
- 竣o-waru
- 畢o-waru
- 訖o-waru
- 歿o-waru
- 竟o-waru
- 卆o-waru
- 霈oame
- 姨oba
- 帯obi
- 帶obi
- 怯obi-eru
- 佩obidama
- 珮obidama
- 夥obitada-shii
- 脅obiya-kasu
- 劫obiya-kasu
- 剽obiya-kasu
- 恊obiya-kasu
- 刧obiya-kasu
- 覚obo-eru
- 覺obo-eru
- 溺obo-reru
- 湎obo-reru
- 沒obo-reru
- 朧oboro
- 朦oboro
- 舸obune
- 樗ochi
- 杞ochi
- 楝ochi
- 欒ochi
- 粤ochi