Tetsumasa Yamaguchi
Olympic canoeist
Tetsumasa Yamaguchi (born March 5, 1947) is a Japanese sprint canoer who competed in the late 1960s and early 1970s. Competing in two Summer Olympics, he was eliminated in the semifinals in each of three events he competed (1968: C-1 1000 m, C-2 1000 m; 1972: C-1 1000 m).