Fitzwilliam is an English surname of Norman origin, derived from the Old French name "Fitzwilliam" meaning "son of William." It is commonly used as a first name, especially in high society and aristocratic circles. The name Fitzwilliam conveys a sense of refinement, sophistication, and elegance. It has a historical and noble connotation, often associated with prominent families and esteemed individuals. Overall, Fitzwilliam is a distinguished and distinguished name that exudes charm and class.