Els Callens (born 20 August 1970) is a former professional female tennis player from Belgium. Callens became professional in January 1990. Her biggest achievement came in 2000 during the Summer Olympic Games in Sydney where she won the bronze medal in women's doubles, partnering Dominique Van Roost-Monami. She retired on 26 October 2005, after losing her second-round match at the Gaz de France Stars tournament in Hasselt. She started a comeback, and finally retired from professional tennis in 2011. Nowadays, she works as sports commentator for the Belgian public broadcast Eén.

WTA career finals

Singles: 1 (runner-up)

Doubles: 22 (10 titles, 12 runner-ups)

ITF Circuit finals

Singles: 14 (11–3)

Doubles: 17 (10–7)