Yamaoka Tesshu

• Birth: 1836
• Death: 1888
• Titles: Bakufu Kenjutsu Sewayaku
• Other name: Ono Tetsutaro
• Japanese: 山岡鉄舟 (Yamaoka Tesshu) 山岡鉄太郎高歩 (Yamaoka Tetsutaro Takayuki)

Ono Tetsutaro was born as a son of Okura Bugyo Ono Tomoemon and later he was adopted to Hatamoto Yamaoka family. He learned Hokushin Itto Ryu from Chiba Shusaku in Kobusho and became the Kobusho Kenjutsu Sewayaku.

1857, he formed Sonno Joi party "Torao no kai" with Kiyokawa Hachiro. 1863, he and Kiyokawa were appointed to be a director of the Roshigumi.