Richard Lumley, 2nd Earl of Scarbrough KG PC (30 November 1686 – 29 January 1740), of Stansted Park, Sussex and Lumley Castle, County Durham, known as Viscount Lumley from 1710 to 1721, was a British Army officer and Whig politician who sat in the House of Commons from 1708 until 1715 when he was raised to the House of Lords as Baron Lumley. He subsequently inherited his father's title as Earl of Scarborough. He committed suicide by shooting himself in the head.