Brent Allen Gaff(born October 5, 1958 in Fort Wayne, Indiana) is a former American professional baseball player who played for the New York Mets from 1982–84.
Gaff was born in Fort Wayne, Indiana and attended Churubusco High School in Churubusco, Indiana. He was drafted by the New York Mets in 6th the round (146th overall) of the 1977 Major League Baseball Draft. He was 23 years old when he broke into the big leagues on July 7, 1982, with the New York Mets.
Gaff missed the entire 1985 season due to a partial tear of the rotator cuff in his right shoulder, and was released by the Mets in November of that year.