Clifford Henry Fitzherbert Plowman CMG OBE BA JP (23 July 1889 – 25 October 1948) was a British diplomat and Colonial Service administrator. He was the only child of the Rev'd Herbert William Thomas Plowman MA and Louisa Plowman (née Goodwin). He was educated at the King's School, Ely and Trinity College, Cambridge. He married, in 1924, Nora Margaret Pottinger Tweedy, the only daughter of George Alfred Tweedy I.C.S. They had two daughters and a son.
