Ronald John Cerrudo (born February 4, 1945) is an American professional golfer who currently works as a club teaching professional and formerly played on the PGA Tour. Cerrudo was born in Palo Alto, California. He attended Chabot Community College and San Jose State University, and was a member of the golf team at both institutions. He was a two-time All-American at San Jose State and played on the Walker Cup team in 1967. He finished runner-up in the 1967 British Amateur, losing 2 & 1 to fellow American Bob Dickson.