Deulin

Deulin is a surname. Notable people with the surname include:


 * Charles Deulin (1827–1877), French writer, theatre critic, and folklorist
 * Charles-Joseph de Harlez de Deulin (1832–1899), Belgian Orientalist, domestic prelate, canon of the cathedral of Liège
 * Vladislav Deulin (* 1994), Russian sport climber