Callens

Callens is a Flemish surname. Notable people with the surname include:


 * Brigitta Callens (born 1980), Miss Belgium 1999
 * Els Callens (born 1970), Belgian tennis player
 * Norbert Callens (1924–2005) Belgian road bicycle racer
 * Alexander Callens (born 1992) Peruvian footballer
 * Joseph Callens (born 1894) Belgian swimmer and diver