# Guillaume (given name)

Guillaume is the French equivalent of William, which is of old Germanic origin from wille + helm (resolute protector). It is an Oïl form corresponding to Occitan Guilhem and the Catalan form Guillem.

## People with this given name
### Aristocrats

* William the Conqueror (c. 1028 – 1087), in French Guillaume le Conquérant, Norman conqueror of England
* William of Gellone (755-812/14), 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 (born 1981), heir apparent to the crown of Luxembourg

### A

* Guillaume Amontons, French scientific instrument inventor and physicist
* Guillaume Apollinaire (1880–1918), French poet, writer and art critic

### B

* Guillaume Barazzone (born 1982), Italian-Swiss politician
* Guillaume de Salluste Du Bartas, Gascon Huguenot courtier and poet
* Guillaume du Bellay, seigneur de Langey (1491–1543), French diplomat and general
* Guillaume de Bellecombe, Governor General of Réunion, Saint-Domingue and Pondichéry, and a Republican revolutionary
* Guillaume-François Berthier, French historian and librarian
* Guillaume Beuzelin, French professional football coach and former player
* Guillaume Cornelis van Beverloo (1922–2010), Dutch artist better known under the pseudonym Corneille
* Guillaume Bigourdan, French astronomer
* Guillaume aux Blanches Mains, French catholic cardinal
* Guillaume de Bonne-Carrere, French diplomat
* Guillaume Briçonnet (Cardinal) (1445–1514), French cardinal and statesman
   * his son Guillaume Briçonnet (Bishop of Meaux) (1472–1534)
* Guillaume Marie Anne Brune, French military commander, Marshal of the Empire, and political figure
* Guillaume Budé (1467–1540), French scholar

### C

* Guillaume Cale, French rebel leader
* Guillaume Canet (born 1973), French actor
* Guillaume de Chartres (disambiguation), several people
* Guillaume Amfrye de Chaulieu, French writer
* Guillaume Cheval dit St-Jacques, Canadian politician
* Guillaume Cizeron, French ice dancer
* Guillaume Costeley, French composer of the Renaissance
* Guillaume Courtois (1628–1679), French painter and etcher
* Guillaume Coustou the Elder, French sculptor of the Baroque and Louis XIV style
* Guillaume Coustou the Younger, French sculptor of the late French Baroque or Style Louis XIV, and early neo-classicism

### D

* Guillaume Dah Zadi (born 1978), Côte d'Ivoire footballer
* Guillaume Daniel Delprat, Dutch-Australian metallurgist, mining engineer, and businessman
* Guillaume Delisle (1675–1726), French cartographer
* Guillaume Depardieu (1971–2008), French actor
* Guillaume Dode de la Brunerie
* Guillaume Dubois (1775–1851), French soldier and Marshal of France
* Guillaume Duchenne (1806–1875), French neurologist
* Guillaume Dufay (1397–1474), Franco–Flemish composer and music theorist
* Guillaume Henri Dufour (1787–1875), 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 French general, politician and writer
* Guillaume Mathieu Dumas, Napoleonic general
* Guillaume Dupuytren (1777–1835), French anatomist and surgeon
* Guillaume Durand, French canonist, liturgical writer, and Bishop of Mende
* Guillaume Durand (nephew), French clergyman, a nephew of a more famous Guillaume Durand nicknamed “The Speculator”

### E

* Guillaume Elmont, Dutch judoka
* Guillaume d'Estouteville, French monk, archbishop and cardinal

### F

* Guillaume-André Fauteux, Canadian politician and lawyer
* Guillaume Faye, French political theorist, journalist, writer, and leading member of the French New Right
* Guillaume Fichet, French scholar
* Guillaume de Fondaumière, French video game producer

### G

* Guillaume Gallienne, French actor, screenwriter and film director
* Guillaume Gamelin Gaucher, Quebecois businessman and political figure
* Guillaume Geefs, Belgian sculptor
* Guillaume de Gisors (1219–1307), grandson of Jean de Gisors
* Guillaume Gontard (born 1971), French politician
* Guillaume Gouffier, seigneur de Bonnivet (c. 1488 – 1525), French soldier
* Guillaume Groen van Prinsterer (1801–1876), Dutch politician and historian
* Guillaume Guiart, French chronicler and poet

### H

* Guillaume Emmanuel Paul de Homem-Christo, musician better known as Guy-Manuel
* Guillaume Huin d'Estaing (died 1452), antipope-appointed cardinal

### K

* Guillaume Knecht, rugby league footballer of the 1990s and 2000s

### L

* Guillaume de Lamoignon de Blancmesnil (1683–1772), French magistrate
* Guillaume-Chrétien de Lamoignon de Malesherbes (1721–1794), French statesman
* Guillaume Latendresse, National Hockey League player for the Minnesota Wild
* Guillaume LeBlanc, Canadian former athlete
* Guillaume Lefebvre, Canadian ice hockey player
* Guillaume Le Gentil (1725–1792), French astronomer
* Guillaume Legrant, French composer of the early renaissance
* Guillaume Lekeu, Belgian composer
* Guillaume de l'Hôpital (1661–1704), French mathematician
* Guillaume de Lorris, French scholar and poet from Lorris

### M

* Guillaume de Machaut (1300–1377), French composer and poet
* Guillaume Morel, French classical scholar

### N

* Guillaume-Alphonse Nantel, Canadian lawyer, journalist, author, newspaper owner, and politician
* Guillaume-Gabriel Nivers, French organist, composer and theorist
* Guillaume de Nogaret, French statesman, councilor and keeper of the seal to Philip IV of France

### O

* Guillaume-Antoine Olivier, French entomologist and botanist

### P

* Guillaume de Palerme, French romance poem
* Guillaume Patry, retired StarCraft professional. Played under the alias Grrrr...
* Guillaume Pellicier, French diplomat
* Guillaume-Lebrecht Petzold, French piano maker
* Guillaume Postel, French linguist, orientalist, astronomer, Christian Kabbalist, diplomat, polyglot, professor, religious universalist, and writer
* Guillaume Poyet, French judge
* Guillaume de Puylaurens, French writer and historian

### R

* Guillaume Raoux, French tennis player
* Guillaume Thomas François Raynal, French writer and man of letters during the Age of Enlightenment
* Guillaume Rocheron, Visual effects artist
* Guillaume Rondelet (1507–1566), professor of medicine at the University of Montpellier
* Guillaume-Joseph Roques, French neoclassical and romantic painter
* Guillaume François Rouelle, French chemist and apothecary

### S

* Guillaume Sarkozy (born 1951), French textile entrepreneur and vice-president of the MEDEF, the French union of employers
* Guillaume Sayer, Canadian fur trader
* Guillaume de Sonnac, Grand Master of the Knights Templar from 1247 to 1250
* Guillaume Soro, Ivorian politician

### T

* Guillaume Tarrant
* Guillaume De Tonquédec, French stage, television and film actor

### V

* Guillaume du Vair, French author and lawyer
* Guillaume Vigneault, Canadian novelist

### W

* Guillaume Warmuz, French football coach and former player