Keisuke Hayasaka (早坂 圭介, born June 19, 1984) is a Japanese former professional baseball infielder. He played with the Chiba Lotte Marines in Nippon Professional Baseball in 2003 and from 2006 to 2014.

Keisuke Hayasaka
Hayasaka with the Chiba Lotte Marines
Infielder
Born: (1984-06-19) June 19, 1984 (age 40)
Bats: Both
Throws: Right
NPB debut
2003, for the Chiba Lotte Marines
NPB statistics
(through 2014)
Batting average.196
Home runs3
RBI26
Teams
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