Gary Mathieu Groh (born October 11, 1944) is an American professional golfer who played on the PGA Tour in the 1970s.

Groh played on the PGA Tour from 1971 to 1978 and won one event.

His career year was 1975 when he won the Hawaiian Open,[1] earned $68,296 and finished 31st on the money list.

[3] After leaving the PGA Tour, Groh took a job as head pro at Bob O' Link Golf Club in Highland Park, Illinois – a job he has held for more than a quarter of a century.

He owns seven course records, including a round of 64 in 1985 at the world-famous Ballybunion in Ireland.