Leigh Smith may refer to:
Alice Leigh-Smith (1907–1987), Croatian-born nuclear physicist Blake Leigh-Smith (born 1990), Australian motorcycle racer Leigh Smith (javelin thrower) (born 1981), American athlete Benjamin Smith (Whig politician) (Benjamin Leigh Smith, 1783–1860) Barbara Bodichon (born Barbara Leigh Smith, 1827–1891), English educationalist and feminist, daughter of Benjamin Smith Benjamin Leigh Smith (1828–1913), British yachtsman and explorer, son of Benjamin Smith
See also Mindy Smith (Melinda Leigh Smith, born 1972), American singer-songwriter Susan Smith (Susan Leigh Smith, born 1971), American woman convicted of murdering her two sons