Martin Armstrong (1882-1974) was an English writer and poet. 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 as 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.
In 1929 he married writer Jessie McDonald, after she had divorced Conrad Aiken, making Armstrong the stepfather of the young Joan Aiken. He appears in disguised form as a character in Conrad Aiken’s Ushant.