The surname "Hewitt" is of English origin, derived from the medieval given name "Hew," which itself comes from the Old French name "Hugues." It is often associated with the meaning "heart" or "mind." The name has variations, including "Hewet" and "Hewett," and is found in various regions of England. Hewitt is also a common surname in other English-speaking countries, such as the United States and Canada. Notable individuals with the surname include Hewitt (actress) and Hewitt (tennis player), who have contributed to the arts and sports, respectively.