Charles James Ruthven Howard, 12th Earl of Carlisle, 12th Lord Ruthven of Freeland MC (21 February 1923 - 28 November 1994), styled Viscount Morpeth until 1963, was an English nobleman, politician, and peer.
Lord Carlisle was the son of George Howard, 11th Earl of Carlisle and Bridget Monckton, 11th Lady Ruthven of Freeland. He was educated at Eton College. He succeeded his father in the earldom in 1963 and his mother in the lordship of Ruthven of Freeland in 1982.
Lord Carlisle married the Honourable Ela Helen Aline  (1925-2002), daughter of Wentworth Beaumont, 2nd Viscount Allendale and Violet Lucy Emily Seely, daughter of Sir Charles Seely, 2nd Baronet, on 3 October 1945. They had four children: