Bart Aernouts (born 23 June 1982 in Essen, Belgium) is a professional cyclist who competes mainly in cyclo-cross races. Aernouts often finishes only a few places behind big names such as Sven Nys, Niels Albert and Zdenek Štybar, but occasionally manages top results in high calibre races of the Gazet van Antwerpen Trophy or the Superprestige.