Guillaume
Guillaume is a boys' name of French origin meaning “resolute protector.” The French form of William, Guillaume has deep royal heritage — William the Conqueror was Guillaume le Conquérant.
how do you pronounce Guillaume?
gee-YOHM
Hear it spoken aloud with our AI pronunciation tool.
what does Guillaume mean?
The name Guillaume means “resolute protector.” It comes from the French language tradition.
The French form of William, Guillaume has deep royal heritage — William the Conqueror was Guillaume le Conquérant. It remains one of France's most enduring masculine names, conveying strength and nobility. The distinctive pronunciation gives it an unmistakable French identity.
who are famous people named Guillaume?
- Guillaume Apollinaire (avant-garde poet)
- Guillaume Canet (French actor and filmmaker)
what names are similar to Guillaume?
Last reviewed April 30, 2026 · Curated by HushName editorial
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