Katleen De Caluwé, Belgian sprinter

Katleen De Caluwé (born 22 December 1976 in Reet, Antwerp Province) is a Belgian sprinter, who specializes in the 100 metres. Her personal best time is 11.49 seconds, achieved in May 2002 in Oordegem.

De Caluwé finished sixth in 4 x 100 metres relay at the 2004 Summer Olympics, with teammates Lien Huyghebaert, Élodie Ouédraogo and Kim Gevaert. This team set a national record of 43.08 seconds in the heat.