John Bastard

John Bastard may refer to:


 * John Bastard (c. 1688–1770), architect, one of the Bastard brothers
 * John Pollexfen Bastard (1756–1816), MP for Devonshire
 * John Bastard (naval officer) (c. 1787–1835), Royal Navy officer, MP for Dartmouth
 * John Bastard (cricketer) (1817–1848), British cricketer