Thomas Howard, 2nd Duke of Norfolk, KG, PC, Earl Marshal (1443 – 21 May 1524), styled Earl of Surrey from 1483 to 1485 and again from 1489 to 1514, is the only son of John Howard, 1st Duke of Norfolk, by his first wife, Katherine Moleyns.

The Duke is the grandfather of both Queen Anne Boleyn and Queen Catherine Howard and the great grandfather of Queen Elizabeth I.

He servea four monarchs as a soldier and statesman.