James Herbert Henderson was a New Zealand writer, historian and broadcaster. A soldier in the Second World War, he wrote two volumes of the Official History of New Zealand in the Second World War 1939–45, as well as a number of other books. He also conceived and presented a long-running radio programme, Open Country, and wrote several related books. He was appointed a Member of the Order of the British Empire in the 1984 Queen's Birthday Honours, for services to literature and broadcasting.