Earl of St Germans, in the County of Cornwall, is a title in the Peerage of the United Kingdom that is held by the Eliot family.

Edward Eliot represented St Germans, Liskeard and Cornwall in the House of Commons and served as a commissioner of the Board of Trade and Plantations.

He was the son of Richard Eliot (died 1748) and his wife Harriot, illegitimate daughter of James Craggs the Younger by his mistress, the noted actress Hester Santlow.

William, the second Earl, was a diplomat and politician, having notably served as Parliamentary Under-Secretary of State for Foreign Affairs.

His third but eldest surviving son, the fourth Earl, was in the Diplomatic Service and briefly represented Devonport in the House of Commons.