Jeffrey Patrick Kaiser (born July 24, 1960) is an American former Major League Baseball pitcher.

Kaiser attended Aquinas High School in Southgate, Michigan where he was teammates with Paul Assenmacher.

[1] He played college baseball at Western Michigan University, winning a school record 25 games.

He never pitched more than 15 games or 16.2 innings in a major league season.

This biographical article relating to an American baseball pitcher born in the 1960s is a stub.