The name Guillaume is a French baby name. In French the meaning of the name Guillaume is: The French form of the name William, meaning resolute protector.
Guillaume is baby boy name mainly popular in Christian religion and its main origin is . Guillaume name meanings is Resolute protector, helmet, protection.
People search this name as Guillaume.
Other similar sounding names can be Guillermo, William.
You probably have google this question: My baby name is Guillaume and how can I combine the name Guillaume with other names and create unique & new name? We tried to suggest Guillaume name combinations. You can see how it looks the name Guillaume as first name or Guillaume as last name. You can combine the middle name for Guillaume and create a unique name.