John Astor
John Astor may refer to:
- John Jacob Astor, German-born American businessman
- John Jacob Astor III, grandson of the above, American financier and philanthropist
- John Jacob Astor IV, nephew of the above, American businessman who died on the Titanic
- John Jacob Astor, 1st Baron Astor of Hever, grandson of the financier, American-born English newspaper proprietor and politician
- John Jacob Astor VI, son of the Titanic victim, American socialite and shipping businessman
- John Astor (1923–1987), son of the 1st Baron, English politician
- Jakie Astor, nephew of the 1st Baron, English politician and sportsman
- John Astor, 3rd Baron Astor of Hever, grandson of the 1st Baron, English businessman and politician