Colonel Henry Cornewall (c. 1654 – 22 February 1717) was an English soldier, courtier and Member of Parliament. He was born the eldest son of Edward Cornewall of Moccas Court and Frances, daughter of Sir Walter Pye and the widow of Henry Vaughan of Moccas Court and Bredwardine. He succeeded his father in 1709. He married twice. Firstly to Margarita Laurentia Huyssen of Middelburg in Zeeland, the wealthy heiress of Laurentius Huyssen Lord of Welden, whom he married on 11 October 1683. The couple had two children.