Sir John Suckling (1569-1627) was a politician of Elizabethan and Jacobean England.

Sir John was knighted by King James I and was successively master of requests, Comptroller of the Household and secretary of state. He sat in the first and second parliaments of Charles I's reign, and was made a Privy Councillor. During his career he amassed a considerable fortune, which was inherited by his son, the poet, Sir John Suckling.