Carolina Evelyn Klüft (; born 2 February 1983) is a retired Swedish track and field athlete who competed in the heptathlon, triple jump, long jump, and pentathlon. She was an Olympic Champion, having won the heptathlon title in 2004. She was also a three-time World and two-time European heptathlon champion. She is the only athlete ever to win three consecutive world titles in the heptathlon (2003, 2005, 2007), and was unbeaten in 22 heptathlon and pentathlon competitions from 2002 to 2007, winning nine consecutive gold medals in major championships.