Charles Tennyson d'Eyncourt (20 July 1784 – 21 July 1861), born Charles Tennyson, was a British politician, landowner and Member of Parliament for Stamford from 1831 to 1832 and for Lambeth from 1832 to 1852. He is also known for his social pretensions and his graceless behaviour towards his nephew, the poet Alfred Lord Tennyson. He was educated at St John's College, Cambridge.