Henry Lascelles (1690 – 16 October 1753) was an English-born Barbados plantation owner. He was the son of Daniel Lascelles (1655–1734) and Margaret Metcalfe. He served as Collector of Customs for the British government in Barbados. He was a director of the British East India Company 1737–45, a financier, and Member of Parliament for Northallerton. He lived in his constituency, in Harewood, in Richmond-upon-Thames, and for periods in his twenties, at his family's plantation in Barbados.