Kohei Yamamoto (山本幸平, Yamamoto Kōhei, born 20 August 1985 in Makubetsu, Hokkaido) is a Japanese cross-country mountain biker.

[1] At the 2008 Summer Olympics, he competed in the men's cross-country, finishing in 46th place.

[2] At the 2012 Summer Olympics, he competed in the Men's cross-country at Hadleigh Farm, finishing in 27th place.

He rides for the Specialized Racing MTB team.

[3] This biographical article relating to Japanese cycling is a stub.