Francis Willoughby, 5th Baron Willoughby of Parham

Francis Willoughby, 5th Baron Willoughby of Parham (baptised 1614; died 23 July 1666 O.S., 2 August 1666 N.S.) was an English peer of the House of Lords.

He succeeded to the title on 14 October 1617 on the death in infancy of his elder brother Henry Willoughby, 4th Lord Willoughby of Parham. Francis Willoughby was the second son of William Willoughby, 3rd Lord Willoughby of Parham The young and unexpected death of his elder brother Henry made Francis successor to the hereditary peerage and seat in the House of Lords, the upper house of Parliament. Francis Willoughby was an early supporter of the Parliamentarian cause during the English Civil War but later became a Royalist. He twice served as governor of English colonies in the Caribbean. Francis Willoughby died without male heirs of his body and the title passed to his younger brother William Willoughby, 6th Lord Willoughby of Parham, the third son of William Willoughby, 3rd Lord Willoughby of Parham.

Background Francis Willoughby was born in perhaps late 1613 (since he was baptised in 1614) to William Willoughby, 3rd Baron Willoughby of Parham and Frances Manners, daughter of John Manners, 4th Earl of Rutland of Nottingham at Parham in Suffolk. His father died in 1617, and the barony was held by his older brother Henry for one year until he too died barely five years old,