Edward Montagu, 1st Earl of Sandwich, KG, FRS (27 July 1625 – 28 May 1672) was an English landowner, infantry officer, and later naval officer and politician, who sat in the House of Commons at various points between 1645 and 1660.
He served Oliver Cromwell loyally in the 1650s, but went on to play a considerable part in the Restoration of King Charles II, and was subsequently rewarded with several court offices.
Sandwich served as the English ambassador to Portugal from 1661 to 1662, and the ambassador to Spain from 1666 to 1668.
He later became an admiral, serving in the two Anglo-Dutch Wars during the reign of Charles II; he was killed at the Battle of Solebay.