Thomas Howard, 3rd Duke of Norfolk, English soldier and politician, Lord High Treasurer (born 1473)

Thomas Howard, 3rd Duke of Norfolk, was an English politician and nobleman of the Tudor era. He was an uncle of two of the wives of King Henry VIII, Anne Boleyn and Catherine Howard, both of whom were beheaded, and played a major role in the machinations affecting these royal marriages. After falling from favour in 1546, Norfolk was stripped of his dukedom and imprisoned in the Tower of London, avoiding execution when Henry VIII died on 28 January 1547.

The Lord High Treasurer was an English government position and has been a British government position since the Acts of Union of 1707. A holder of the post would be the third-highest-ranked Great Officer of State in England, below the Lord High Steward and the Lord High Chancellor of Great Britain.