Earl Manvers was a title in the Peerage of the United Kingdom. It was created in 1806 for Charles Medows Pierrepont, 1st Viscount Newark. He had already been created Baron Pierrepont, of Holme Pierrepont in the County of Nottingham, and Viscount Newark, of Newark-on-Trent in the County of Nottingham, in 1796. Both these titles were in the Peerage of Great Britain.

Charles (Medows) Pierrepont, 1st Earl Manvers was a British naval officer and politician who sat in the House of Commons from 1778 to 1796 when he was raised to the peerage as Viscount Newark.