Francis Leigh, 1st Earl of Chichester ( 28 April 1598 – 21 December 1653) was a Royalist politician and courtier around the period of the English Civil War. His father was Sir Francis Leigh; his mother was Mary, daughter of Thomas Egerton, 1st Viscount Brackley. He was born, and eventually buried, on the family estate at Newnham Regis, Warwickshire. In 1613 Leigh attended Oxford University and was admitted to Lincoln's Inn two years later.