General Joseph Yorke, 1st Baron Dover KB, PC (24 June 1724 – 2 December 1792), styled The Honourable Joseph Yorke until 1761 and The Honourable Sir Joseph Yorke between 1761 and 1788, was a British soldier, diplomat and Whig politician.
Yorke was the third son of Philip Yorke, 1st Earl of Hardwicke, by Margaret, daughter of Charles Cocks. Philip Yorke, 2nd Earl of Hardwicke, Charles Yorke and James Yorke were his brothers.
Yorke served in the War of the Austrian Succession as an aide-de-camp to the Duke of Cumberland, and fought in the Battle of Fontenoy in 1745. He became a Major-General in 1758, a Lieutenant-General in 1760 and a full General in 1777. In 1749 he was appointed Secretary to the British Embassay in Paris. Two years later he became Minister Plenipotentiary to the United Provinces, a post he held for the next thirty years. The post was upgraded to that of ambassador in 1761. During this period he also sat in the House of Commons for East Grinstead between 1751 and 1761, for Dover between 1761 and 1774 and for Grampound between 1774 and 1780. He was appointed a Knight Companion of the Order of the Bath (KB) in 1761 and sworn of the Privy Council in 1768. In 1788 he was raised to the peerage as Lord Dover, Baron of the Town and Port of Dover, in the County of Kent.