James William Nantz, III (born May 17, 1959 in Charlotte, North Carolina) is an American sportscaster, known primarily for his work with CBS Sports television.
Nantz grew up in Colts Neck Township, New Jersey and attended Marlboro High School. In high school, he was co-captain of the basketball team and co-captain and number one player on the golf team. He was a member of Bamm Hollow Country Club.
Nantz then went to the University of Houston in Texas, where he majored in broadcasting and played on the Houston Cougars men's golf team, rooming with future professional golfers Fred Couples and Blaine McCallister.