Guillaume (given name)
Guillaume is the French equivalent of William, which is of old Germanic origin.People with this given name
Aristocrats
- William the Conqueror, in French Guillaume le Conquérant, Norman conqueror of England
- William of Gellone, in French Guillaume d'Orange, Count of Toulouse and hero of the epic poem Chanson de Guillaume
- Guillaume IV, Grand Duke of Luxembourg
- Prince Guillaume of Luxembourg
- Guillaume, Hereditary Grand Duke of Luxembourg, heir apparent to the crown of Luxembourg
A
- Guillaume Amontons
- Guillaume Apollinaire, French poet, writer and art critic
B
- Guillaume de Salluste Du Bartas
- Guillaume du Bellay, seigneur de Langey, French diplomat and general
- Guillaume de Bellecombe
- Guillaume-François Berthier
- Guillaume Beuzelin
- Guillaume Cornelis van Beverloo, Dutch artist better known under the pseudonym Corneille
- Guillaume Bigourdan
- Guillaume aux Blanches Mains
- Guillaume de Bonne-Carrere
- Guillaume Briçonnet
- Guillaume Marie Anne Brune
- Guillaume Budé, French scholar
C
- Guillaume Cale
- Guillaume Canet, French actor
- Guillaume de Chartres
- Guillaume Amfrye de Chaulieu
- Guillaume Cheval dit St-Jacques
- Guillaume Cizeron
- Guillaume Costeley
- Guillaume Courtois, French painter and etcher
- Guillaume Coustou the Elder
- Guillaume Coustou the Younger
D
- Guillaume Dah Zadi, Côte d'Ivoire footballer
- Guillaume Daniel Delprat
- Guillaume Delisle, French cartographer
- Guillaume Depardieu, French actor
- Guillaume Dode de la Brunerie
- Guillaume Dubois, French soldier and Marshal of France
- Guillaume Duchenne, French neurologist
- Guillaume Dufay, Franco–Flemish composer and music theorist
- Guillaume Henri Dufour, Swiss general and topographer who presided over the convention that established the International Red Cross
- Guillaume Dufresne d'Arsel, 18th-century French colonial governor of Mauritius
- Guillaume Philibert Duhesme
- Guillaume Mathieu Dumas, Napoleonic general
- Guillaume Dupuytren, French anatomist and surgeon
- Guillaume Durand
- Guillaume Durand
E
- Guillaume Elmont
- Guillaume d'Estouteville
F
- Guillaume-André Fauteux
- Guillaume Faye
- Guillaume Fichet
- Guillaume de Fondaumière
G
- Guillaume Gallienne
- Guillaume Gamelin Gaucher
- Guillaume Geefs
- Guillaume de Gisors, grandson of Jean de Gisors
- Guillaume Gouffier, seigneur de Bonnivet, French soldier
- Guillaume Groen van Prinsterer, Dutch politician and historian
- Guillaume Guiart
H
- Guillaume Emmanuel Paul de Homem-Christo, musician better known as Guy-Manuel
- Guillaume Huin d'Estaing, antipope-appointed cardinal
K
- Guillaume Knecht, rugby league footballer of the 1990s and 2000s
L
- Guillaume de Lamoignon de Blancmesnil, French magistrate
- Guillaume-Chrétien de Lamoignon de Malesherbes, French statesman
- Guillaume Latendresse, National Hockey League player for the Minnesota Wild
- Guillaume LeBlanc
- Guillaume Lefebvre
- Guillaume Le Gentil, French astronomer
- Guillaume Legrant
- Guillaume Lekeu
- Guillaume de l'Hôpital, French mathematician
- Guillaume de Lorris
M
- Guillaume de Machaut, French composer and poet
- Guillaume Morel
N
- Guillaume-Alphonse Nantel
- Guillaume-Gabriel Nivers
- Guillaume de Nogaret
O
- Guillaume-Antoine Olivier
P
- Guillaume de Palerme
- Guillaume Pellicier, French diplomat
- Guillaume-Lebrecht Petzold
- Guillaume Postel
- Guillaume Poyet
- Guillaume de Puylaurens
R
- Guillaume Raoux
- Guillaume Thomas François Raynal
- Guillaume Rocheron, Visual effects artist
- Guillaume Rondelet, professor of medicine at the University of Montpellier
- Guillaume-Joseph Roques
- Guillaume François Rouelle
S
- Guillaume Sarkozy, French textile entrepreneur and vice-president of the MEDEF, the French union of employers
- Guillaume Sayer
- Guillaume de Sonnac
- Guillaume Soro
T
- Guillaume Tarrant
- Guillaume De Tonquédec
V
- Guillaume du Vair
- Guillaume Vigneault
W
- Guillaume Warmuz