Boulogne is a French surname. Notable people with the surname include:
Anthony Boulogne (born 1993), French politician Christian Aaron Boulogne (1962–2023), French photographer and actor Étienne-Antoine Boulogne (1747–1825), French archbishop Geoffroy de Boulogne (died 1095), French bishop Georges Boulogne (1917–1999), French football player Guillaume Duchenne de Boulogne (1806–1875), French neurologist Isabelle Boulogne (born 1971), French sprint canoeist Chevalier de Saint-Georges also known as Joseph Boulogne, French classical composer, swordsman and equestrian Paul de Boulogne (1863–1938), French sailor Valentin de Boulogne (1591–1632), French painter