John Penn may refer to:
- John Penn ("the American") (1700–1746), Pennsylvania proprietor, only son of William Penn born in America
- John Penn (governor) (1729–1795), colonial governor of Pennsylvania, grandson of William Penn, son of Richard Penn, Sr
- John Penn (writer) (1760–1834), another grandson of William Penn, known as "John of Stoke", son of Thomas Penn
- John Penn (Continental Congress) (1741–1788), Continental Congressman from North Carolina, signer of the Declaration of Independence
- John Penn (engineer) (1805–1878), British marine engine engineer
- John Penn (MP) (1848–1903), MP for Lewisham 1891–1903
- John Penn (architect) (1921–2007), British architect
- Jack Penn (1909–1996), surgeon
- John Garrett Penn (1932–2007), United States federal judge
- John Penne, MP for Melcombe Regis (UK Parliament constituency)
Famous quotes containing the words john and/or penn:
“It is as absurd to argue men, as to torture them, into believing.”
—Cardinal John Henry Newman (1801–1890)
“Storytelling and copulation are the two chief forms of amusement in the South. They’re inexpensive and easy to procure.”
—Robert Penn Warren (b. 1905)