Guilhem is a name of French origin, often associated with historical figures and characters in literature. It is derived from the Germanic name "Willahelm," meaning "resolute protector." The name has variations in different languages, such as "William" in English and "Guillermo" in Spanish. In medieval times, Guilhem was a common name among nobility and knights, particularly in the Occitan region of France. It is also linked to the famous troubadour Guilhem IX, who was known for his poetry and contributions to the Occitan literary tradition. Today, Guilhem remains a popular name in France and other French-speaking regions.