David "Dai" Morgan Jenkins (22 May 1901 – 22 April 1968) was a Welsh dual-code international rugby union, and professional rugby league footballer who played in the 1920s and 1930s. 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.