Guillaume may refer to:
People Guillaume (given name), a list of people Guillaume (surname), the French equivalent of Williams
Places Guillaume (crater), a lunar crater Guillaumes, Vence, Nice, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France, a commune
See also
Chanson de Guillaume, an 11th or 12th century poem Saint-Guillaume (disambiguation) Guillaume affair, a Cold War espionage scandal that led to the resignation of West German Chancellor Willi Brandt