- Birth: 1830
- Death: 1863
- Japanese: 殿内 義雄 (Tonouchi Yoshio)
Tonouchi joined the Rôshigumi in 1863 and stayed in Kyoto with the other 23 remaining members.
However internal strife developed and he was assassinated by Kondô Isami on Yojô bridge.
- Shinsengumi Taishi Den (新選組隊士伝) Gakken
- Shinsengumi Zentaishi Tettei Guide (新選組全隊士徹底ガイド) Maeda Masaki
- J-Wikipedia Tonouchi Yoshio