John Trenchard

John Trenchard (c. 1586 – 1662) of Warmwell, near Dorchester was an English politician who sat in the House of Commons at various times between 1621 and 1659.

Trenchard was born in Charminster, near Dorchester, the son of Sir George Trenchard of Warmwell and his wife Ann née Speke, daughter of Sir George Speke of White Lackington.

In 1621, Trenchard was elected Member of Parliament for Wareham and was re-elected MP for Wareham in 1624 and 1625.

In April 1640, Trenchard was re-elected MP for Wareham in the Short Parliament and elected again for the same constituency for the Long Parliament in November 1640, sitting until 1653. He was elected MP for Dorset in the First Protectorate Parliament of 1653 and the Second Protectorate Parliament in 1656.

Trenchard died in London and was buried at Warmwell. He had married Jane Rodney, daughter of Sir John Rodney of Stoke, Somerset. His daughter Jane married John Sadler, Master of Magdalene College, Cambridge, and his daughter Grace married William Sydenham.