William Tredenham

Sir William Tredenham (ca. 1638 - 12 May 1662) was an English politician who sat in the House of Commons between 1659 and 1662.

Tredenham was the son of John Tredenham of Philly, Cornwall and his wife Elizabeth Molesworth, daughter of John Molesworth of Pencarrow Cornwall.

In 1659, Tredenham was elected Member of Parliament for St Mawes in the Third Protectorate Parliament. He was re-elected MP for St Mawes in the Convention Parliament, being seated after a double return in May 1660. He was knighted on 25 July 1660. In 1661 he was re-elected MP for St Mawes in another double return and was seated in May. He sat until his death in 1662.

Tredenham died without issue and was buried in the church of St Clement Danes, London.