Colleen Walker (August 16, 1956 – December 11, 2012[1]) was an American professional golfer who played on the LPGA Tour.

Walker turned professional in September 1981 and played on the Tampa Bay Mini-Tour.

She won nine tour titles, the first of them in 1987 and the last in 1997, including one major championship, the 1997 du Maurier Ltd. Classic.

In 1988, she won the LPGA Vare Trophy for lowest scoring average, was named Most Improved Player by Golf Digest, and finished a career high fifth on the money list, one of four times she finished in the top ten.

Walker died on December 11, 2012, in Valrico, Florida, of a cancer recurrence that was diagnosed in late 2011.