John Lyle Donaghy (1902 – 1949) was an Irish poet. John Lyle Donaghy was born on 28 July 1902 in Larne, the eldest son of a Presbyterian minister. He was educated at Larne Grammar School and Trinity College, Dublin, after which he became a teacher, in London in 1930, living there with his wife Lilian. They had two sons, Roland (born in Paris, 1928) and Kevin (born in London, 1930). Afterwards moved to Dublin, where they lived in a cottage owned by . He died of tuberculosis on 4 May 1949. His work is praised in Samuel Beckett's 1934 essay 'Recent Irish Poetry'.