Sir Joseph Tredenham (c.1641 – 24/25 April 1707) of Tregonan, St Ewe, Cornwall was an English administrator and Member of Parliament. He was the second surviving son of attorney John Tredenham of Philleigh, Cornwall and the younger brother of William Tredenham, MP. He served as Governor of St Mawes (a garrison fort near Falmouth, Cornwall), as Vice-Admiral of North Cornwall from 1679 to possibly 1686 and as Vice-warden of the Stannaries by 1682 to 1689. He was also a Gentleman of the Privy Chamber from 1664 to 1685 and the joint-comptroller of Army accounts from 1603 to his death.