Henry Carey, 1st Earl of Dover (ca. 1580 – 13 April 1666) was an English peer, and member of parliament in 1609 and 1614.
Carey was the son of John Carey, 3rd Baron Hunsdon. Cambridge University awarded him an honorary MA in 1607. He was knighted, as a Knight of the Bath (KB), on 3 June 1610.
Carey succeeded as 4th Baron Hunsdon on 17 April 1617. On 6 July 1621 he was created Viscount Rochford, a title previously held by his great-great-grandfather Thomas Boleyn, and on 8 March 1628 was created Earl of Dover. He acted as Speaker of the House of Lords in 1641, and was Colonel of the regiment of Oxford Scholars between 1644 and 1646.
Lord Dover married twice. His first marriage, before 1608, was to Judith Pelham, daughter of Sir Thomas Pelham, 1st Baronet. They had four sons and four daughters:
On 6 July 1630 he was married for a second time, to Mary Morris, daughter of Richard Morris and widow of William Cockayne, at the church of St Peter Le Poer in London.
Henry Carey died in 1666, and was buried at Hunsdon in Hertfordshire. He was succeeded by his son from his first marriage, John Carey, 2nd Earl of Dover.