John Pierpont Morgan (1837-1913), American banker

John Morgan is a common name, especially in Wales, UK. Well-known people with this name include:

John Pierpont Morgan, Jr. (1867–1943), American banker

John Hunt Morgan (1825–1864), Confederate Brigadier General during the American Civil War

John Tyler Morgan (1824–1907), U.S. Senator

John Morgan (musician) (b. 1970)

John Morgan (bishop): Archbishop of Wales, from 1949 to 1957

John Hamilton Morgan (1842–1894), 19th century leader and missionary in the LDS Church

John W. Morgan (b. 1964), mayor of Cape Breton Regional Municipality, Nova Scotia

John Morgan (etiquette expert) (1959–2000)

John Hartman Morgan (1876–1955), British Brigadier-General and lawyer

John Morgan (golfer) (1943–2006)

John Morgan (of Rhiwpera) (1671–1720), Member of Parliament for Monmouthshire 1701–1720

John Morgan (broadcaster) (b. 1950)

John Henry Morgan, American philosopher and President of the Graduate Theological Foundation

John R. Morgan (J. R. Morgan) (b. 1950), classicist and author, Swansea

John Morgan (comedian) (1930–2004)

John Morgan (of Dderw) (1742–1792), Member of Parliament for Brecon 1769–1771 and Monmouthshire 1771–1792

John Jordan Morgan (1770–1849), U.S. Representative from New York

John Morgan (physician) (1735–1789), founder of the first medical school in Colonial America

John Morgan (poet) (1688–1733)

John Morgan (journalist) (1929–1988)

John Morgan (mathematician), a mathematician at Columbia University