David "Dai" Morgan Jenkins (1901 – 22 April 1968) was a Welsh dual-code international rugby union and professional rugby league footballer of the 1920s and '30s. As an amateur union player he represented Kenfig Hill, Treorchy, and Glamorgan Police RFC, while as a professional rugby league footballer he played for Hunslet, Leeds and Dewsbury. Jenkins was capped at international level for his country as a union and league player.