James Leroy Brenneman (February 13, 1941 – March 10, 1994) was an American Major League Baseball pitcher.

Brenneman played for the New York Yankees in the 1965 baseball season.

In three career games, he had a 0–0 record, with an 18.00 ERA.

Brenneman was the winning pitcher for the Yankees in their 1965 Hall of Fame exhibition game against the Philadelphia Phillies at Doubleday Field in Cooperstown.

This biographical article relating to an American baseball pitcher born in the 1940s is a stub.