Samuel Turner may refer to:

• Samuel Turner (Royalist) (died c. 1647), physician and Royalist during the English Civil War
• Samuel Turner (diplomat) (1759-1802), British traveller
• Samuel Turner (informer) (1765–1807), Irish barrister, Protestant supporter of the United Irishmen who turned informer
• Samuel H. Turner (1790–1861), American Hebraist
• Samuel Turner (VC) (1826–1868), English soldier decorated for valour during the Indian Mutiny
• Sam Turner (footballer, born 1980), Welsh former footballer
• Sam Turner (footballer, born 1993), English footballer