Bailleul may refer to:
France
Bailleul, Nord, in the Nord département Bailleul, Orne, in the Orne département Bailleul, Somme, in the Somme département Bailleul-aux-Cornailles, in the Pas-de-Calais département Bailleul-la-Vallée, in the Eure département Bailleul-le-Soc, in the Oise département Bailleul-lès-Pernes, in the Pas-de-Calais département Bailleul-Neuville, in the Seine-Maritime département Bailleul-Sir-Berthoult, in the Pas-de-Calais département Bailleul-sur-Thérain, in the Oise département
Belgium Bailleul, Belgium, part of the municipality of Estaimpuis