Scott William Simpson (born September 17, 1955) is an American golfer.

Simpson was born in San Diego, California. He attended the University of Southern California, where he was two-time medalist at the NCAA Championship (1976, 1977). He turned professional in 1977 and graduated in 1978. He played on the PGA Tour from 1979, and won seven PGA Tour events between 1980 and 1998.

The highlight of Simpson’s career was his victory at the 1987 U.S. Open Championship, his only win in one of golf’s four majors. He birdied the 14th, 15th and 16th holes of the final round to overtake Tom Watson, and win the title at the Olympic Club in San Francisco, by one stroke with a three under par total of 277.

In 2005 Simpson turned fifty and became eligible to play senior golf. He won his first Champions Tour title in 2006.

Simpson played for the United States in the Walker Cup in 1977 and the Ryder Cup in 1987. He lists bible study among his interests and attributes his success to it.

Amateur wins
1976 NCAA Division I Championship, Porter Cup
1977 NCAA Division I Championship

Professional wins (12)

PGA Tour wins (7)
1980 (1) Western Open
1984 (1) Manufacturers Hanover Westchester Classic
1987 (2) Greater Greensboro Open, U.S. Open
1989 (1) BellSouth Atlanta Golf Classic
1993 (1) GTE Byron Nelson Golf Classic
1998 (1) Buick Invitational

Other wins (4)
1984 Chunichi Crowns (Japan Golf Tour), Dunlop Phoenix (Japan Golf Tour)
1988 The Crowns (Japan Golf Tour)
1990 Perrier Invitational (Europe, but not a European Tour event)

Champions Tour wins (1)
2006 (1) Wal-Mart First Tee Open at Pebble Beach

Major Championships

Wins (1)
Championship
1987 U.S. Open