John Vivian

John Vivian (or John Vyvyan) may refer to:

• John Vivian (died 1691), MP for Mitchell (UK Parliament constituency)
• John Vivian (died 1577), MP for Helston (UK Parliament constituency)
• John Charles Vivian (1889–1964), United States attorney, journalist, Governor of Colorado
• John Cranch Walker Vivian (1818–1879), English Liberal politician
• John Henry Vivian (1785–1855), Welsh industrialist and politician of Cornish extraction
• John Ennis Vivian, British Member of Parliament for Truro (UK Parliament constituency)

• John Vivian (historian), Regius Professor of Modern History at Oxford, 1768–1771
• John Vivian (1750–1826), a Welsh industrialist of Cornish extraction
• John Vyvyan, a writer on animal rights
• Johnny Vyvyan (John Vyvyan, 1925/9–1984), Australian-born actor, appeared in Hancock's Half Hour and other British series