Tsunamasa Ōyama (大山 綱昌, Ōyama Tsunamasa; 24 December 1853 – 18 October 1934) was a Japanese politician. He was governor of Saga Prefecture (1898–1901), Gunma Prefecture (1901–1902) and Nagano Prefecture (1902–1905).
Source: “Tsunamasa Ōyama”, English Wikipedia (CC BY-SA 4.0), excerpt
