Stephen Vincent Chitren (born June 8, 1967) is a Japanese-born former Major League Baseball pitcher. He played for the Oakland Athletics during the 1990 and 1991 seasons. Although Chitren was born in Japan in 1967, he did not grow up there. Chitren played college baseball at Stanford where he set the school records for most saves in a season and in a career. Chitren was also on the mound for the clinching outs of the 1987 and 1988 College World Series. In the 1987 series, he got a six-out save in the championship game.