Captain Lord James Nugent Boyle Bernardo Townshend KCH (11 September 1785 – 28 June 1842), was a British naval commander and Tory politician. Townshend was the younger son of George Townshend, 1st Marquess Townshend, by his second wife Anne, daughter of Sir William Montgomery, 1st Baronet. He was the nephew of Charles Townshend and the half-brother of George Townshend, 2nd Marquess Townshend, Lord John Townshend and Lord Charles Townshend. On 21 September 1822, he was appointed major-commandant of the Norfolk Yeomanry Rangers, in place of his brother Lord Charles.