John Dudley, 1st Duke of Northumberland (1504–1553) was Lord President of the Council 1549–1553, during the minority of Edward VI.

John Dudley may also refer to:

John Dudley, 2nd Earl of Warwick (c. 1530–1554), son of the above John Dudley (died 1580), MP for Helston and Carlisle John Dudley (1569–1645), MP for Staffordshire and brother of Edward Sutton, 5th Baron Dudley John Dudley (c. 1573 – c. 1622), MP for Carlisle John Dudley (writer) (1762–1856), English writer John Dudley (physicist), New Zealand physicist John H. Dudley (1907–1994), American military officer John Dudley (judge) (1725–1805), Justice of the New Hampshire Supreme Court

See also