Kazuhiro Yamauchi

was a Japanese baseball player and manager. He played for the Mainichi Orions, the Hanshin Tigers and the Hiroshima Toyo Carp over the span of an 18 season-long career (1952–1970).

Yamauchi was the first Japanese professional baseball player to hit 300 home runs, achieving that feat on July 4, 1963. Some of his career stats include 7,702 at bats, 1,218 runs, 2,271 hits, 396 home runs, 1,286 runs batted in, 118 stolen bases, 1,061 walks, and a batting average of .292.

Yamauchi died of liver failure in a Tokyo hospital on February 2, 2009. He was 76.