As coach Kento Sugiyama (杉山 賢人, Sugiyama Kento, born December 12, 1968) is a retired Japanese professional baseball player from Numazu, Shizuoka, Japan.

He played for the Seibu Lions, Hanshin Tigers, Osaka Kintetsu Buffaloes, and Yokohama BayStars during his 10-year career in the Japanese professional leagues.

He worked as a batting pitcher for the BayStars before becoming the pitching coach for the Tohoku Rakuten Golden Eagles in 2006.

He won a bronze medal in the 1992 Summer Olympics before entering the Japanese professional leagues.

This biographical article relating to a Japanese baseball pitcher is a stub.