Sir Henry Johnson (13 August 1661 – 29 September 1719) of The Gate House, Blackwall, Middlesex; Bradenham, Buckinghamshire; and Toddington, Bedfordshire was a British shipbuilder and a Member of Parliament for 30 years. He was born the eldest son of Sir Henry Johnson, M.P., of Blackwall and Friston Hall, Suffolk by Mary, the daughter and heiress of William Lord of Melton, Kent. Henry senior was described as "the greatest shipbuilder and shipowner of his day". He was succeeded as an MP by Walter Plumer after a by-election.