Sir John Suckling (1569 – 27 March 1627) was an English politician who sat in the House of Commons at various times between 1601 and 1627. Suckling was the son of Robert Suckling, mayor of Norwich and MP for the city's constituency between 1571-1572 and 1586-1588, and his wife Elizabeth Barwick, daughter of William Barwick. He entered Gray's Inn on 22 May 1590. He was elected Member of Parliament for Dunwich in 1601.