John Carter (mayor of Portsmouth)

Sir John Carter (before 20 December 1741 – 18 May 1808), a Unitarian merchant, was on nine occasions Mayor of Portsmouth, Hampshire, England, the chief maritime port for the Royal Navy. He was High Sheriff of Hampshire in 1784. He played a key role in defusing the crisis caused by the 1797 naval mutiny at Spithead. Members of his family were long influential in Portsmouth politics.