Leo Smith
Leo Smith may refer to:
- F. Leo Smith, American state legislator and district attorney
- Leo Smith , American baseball player
- Leo Smith , English composer active in Canada
- Leo Smith , American sculptor
- Leo Richard Smith, American prelate of the Roman Catholic Church
- Wadada Leo Smith, American avant-garde jazz trumpeter and composer
- Leo Smith, Irish hurler
- Leo W. Smith II, United States Air Force general