Benjamin Anthony Kozlowski (born August 16, 1980) is a former professional baseball left-handed pitcher.

Drafted by the Atlanta Braves in the 12th round of the 1999 MLB amateur draft, Kozlowski made his Major League Baseball debut with the Texas Rangers on September 19, 2002.

His 2003 season was cut short when he suffered a torn elbow ligament, necessitating Tommy John surgery.

He was traded from the Reds to the Los Angeles Dodgers for outfielder Cody Ross in May 2006.

This biographical article relating to an American baseball pitcher born in the 1980s is a stub.