Decaux

Decaux, or De Caux, is a French surname. Notable people with the surname include:

Decaux Abel Decaux (1869–1943), French classical organist and composer Alain Decaux (1925–2016), French historian Alice Decaux (born 1985), French hurdler Georges Decaux (1930–2015), French cyclist Jacques Decaux (1918–2003), French sport shooter Jean-Claude Decaux (1937–2016), French businessman