Admiral Sir Henry John Leeke, KCB, KH, DL (1 September 1792 – 26 February 1870) was a Royal Navy officer who went on to be Third Naval Lord, Member of Parliament for Dover and Deputy Lieutenant of Hampshire.

He younger brother was William Leeke, known for his reminiscences of his service as an ensign at the Battle of Waterloo.

Leeke entered the navy in September 1803 aboard the Royal William, as a first-class volunteer.

[4] In 1818, while in command of HMS Myrmidon he captured a Portuguese slave-vessel, and freed Samuel Ajayi Crowther, who later became Bishop of Nigeria.

Following Augusta's death, Leeke married (in 1863) Georgiana Lucy Cecilia, only daughter of Revd.