David Morgan Adams (23 February 1875 – 19 May 1942) was a British Labour Party politician. He was the son of David Morgan Adams of Ystradowen, near Cowbridge, Glamorgan in South Wales and Bessie Dent of Poplar in the East End of London. He received elementary education in the local school in Ystradowen before entering employment in a coalmine as a teenager. He later joined the Merchant Navy as an able seaman, subsequently working on the light ships maintained by Trinity House. Adams died in Ilford, Essex in May 1942 aged 67.