Reginald is a common male given name of Latin origin, derived from the name "Reginaldus," which means "ruler's advisor." It has been used in various cultures and languages, often associated with nobility and leadership. The name has several variations, including Reggie and Reginald the Great, and has appeared in literature and popular culture. In modern times, Reginald is often used in fictional works, such as in the character Reginald VelJohnson from the television show Family Matters. The name is also associated with various historical figures, including Reginald of Canterbury, a notable English bishop.