Samuel Henry (9 May 1878 – 23 May 1952), known as Sam Henry, was an Irish customs officer, pension officer, antiquarian, lecturer, writer, photographer, folklorist, folk-song collector and musician. He is best known for his collection of ballads and songs in Songs of the People, the largest and most comprehensive collection of just under 690 folk-songs from Northern Ireland assembled between the wars (1923–1939), when he was song editor for the Northern Constitution, a weekly newspaper in Coleraine.