General Sir Cornelius Cuyler, 1st Baronet (31 October 1740 – 8 March 1819) was a British Army officer who became Lieutenant-Governor of Portsmouth.

[2] His father was the oldest surviving son of twelve children born to his grandfather, Albany Mayor Johannes Cuyler (1661–1740),[3] and grandmother, Elsje (née Ten Broeck) Cuyler (d.

[3][4] His grandfather was an admitted freeman of New York City and served for 22 years as a Commissioner of Indian Affairs.

[5] Cuyler was commissioned as an ensign into the 55th Regiment of Foot in May 1759 during the French and Indian War.

[6] He was promoted to full general in September 1803[8] and created a baronet on 29 October 1814.