Karen Louise Stupples (born 24 June 1973) is an English professional golfer who plays primarily on the U.S. based LPGA Tour and is also a member of the Ladies European Tour.
Stupples was born in Dover, Kent. She started her golfing career as a caddie for her father at Prince's Golf Club, Sandwich to earn pocket money. She played for England Juniors from 1989–1991 and England Seniors from 1995-1998. She also represented Great Britain & Ireland on the Curtis Cup winning team in 1996 at home in Killarney, Ireland and losing 1998 team away in Minneapolis, Minnesota.
Stupples was going to study polymer science in the UK before deciding to go to university in the United States. With the assistance of College Prospects of America, she took a golf scholarship at Arkansas State University before transferring to Florida State University in 1993. As a Seminole, she won two events (Spring 1994 Spalding/Peggy Kirk Bell and Spring 1995 Lady Gator), was selected as All-Atlantic Coast Conference in 1994 and 1995, and was also named a 1995 Second-Team All-American.