Sir William Masham, 1st Baronet (c. 1592 – c. 1656) was an English politician who sat in the House of Commons variously between 1624 and 1655.
Masham was created baronet on 20 December 1621.[1] He was elected Member of Parliament for Maldon in 1624, 1625 and 1626 and for Colchester in place of Edward Alford in 1628 after a petition.
In April 1640, Masham was elected MP for Colchester in the Short Parliament and then for Essex in November 1640 for the Long Parliament. He was re-elected MP for Essex in 1654 for the First Protectorate Parliament.[2]