Nicolson Calvert (c. 1724 – 4 May 1793)[1] was an English politician.
He was the oldest surviving son of Felix Calvert of Furneaux Pelham in Hertfordshire. His mother Christian was the daughter of Josiah Nicolson, a brewer from Clapham. He was educated at Bury St Edmunds Grammar School and at Trinity College, Cambridge.[2]
He owned Hunsdon House in Hertfordshire, which he inherited from his grandfather Felix Calvert.[3]
He was a Member of Parliament (MP) for the borough of Tewkesbury from 1754 to 1774.[2]
He married Rebecca, the daughter of the Rev. John Goodwin, rector of Clapham, Surrey, but had no children. They lived at Hunsdon House, which his widow rebuilt after his death.