Carol Semple (born October 27, 1948), also known by her married name Carol Semple Thompson, is an American golfer who participated only on the amateur circuit, and never turned pro. Semple was born in Sewickley, Pennsylvania. She is from a prominent golfing family; her father served as president of the United States Golf Association (USGA) in 1974 and 1975. Her mother played competitive golf and served on various USGA committees for many years. At age 16, Carol Semple won her first tournament by defeating her mother in the finals of the Western Pennsylvania Women's Championship.