John Petre

John Petre may refer to:


 * John Petre (died 1571), MP for Dartmouth (UK Parliament constituency)
 * John Petre (died 1581), MP for Exeter (UK Parliament constituency)
 * John Petre, 1st Baron Petre (1549–1613)
 * John Petre, 5th Baron Petre (1629–1684)
 * John Petre, 18th Baron Petre (born 1942)