Martin Donisthorpe Armstrong (* 2 October 1882 - † 24 February 1974) was an English writer and poet, known for his stories. He was born in Newcastle-upon-Tyne, and educated at Charterhouse and Pembroke College, Cambridge. He served in World War I in the British Army in France - a Private in the Artists' Rifles, he was commissioned into the Middlesex Regiment in 1915 and promoted Lieutenant in 1916. He was included in the final Georgian Poetry anthology.