Carmen Douma-Hussar (born March 12, 1977) is a Canadian middle-distance runner.
She is a member of the Guelph Track and Field Club and is coached by Marcus O'Sullivan and Albert Tschirhart.
She is the Canadian national record holder indoors for both the 1500-meter run and the mile run with times of 4:08.18 minutes and 4:28.43 minutes, respectively.
She was the silver medalist in the 1500 m at the 2004 IAAF World Indoor Championships.
Douma-Hussar was a 1500 m finalist at the 2004 Summer Olympics, 2005 World Championships in Athletics and the 2006 Commonwealth Games.
She represented Canada in the short race at the IAAF World Cross Country Championships six times between 2001 and 2006.
Her best performance of 17th in 2004 brought Canada the team bronze medal.
She has also competed at the 2007 World Championships in Athletics, the 2006 IAAF World Cup and four editions of the IAAF World Athletics Final.
She was a three-time NCAA champion while studying at Villanova University.