Robert C. Lewis, Jr. (July 12, 1944 – March 23, 2021) was an American amateur golfer from Pepper Pike, Ohio. Lewis was born in Warren, Ohio. He played college golf at Rollins College, graduating in 1967. He won the 1968 Ohio Amateur on his 24th birthday. Lewis turned professional and played on the PGA Tour from 1971 to 1974 without much success. He then quit professional golf and had his amateur status reinstated. Lewis captained the 2003 and 2005 Walker Cup teams. Lewis was inducted into the Ohio Golf Association Hall of Fame in 2002 and the Northern Ohio Golf Association Hall of Fame in 2003.