David Davies, 1st Baron Davies (11 May 1880 – 16 June 1944) was a Welsh Liberal politician and public benefactor who was MP for Montgomeryshire from 1906–29.
He was a grandson of the great Welsh industrialist David Davies.
As a philanthropist, he established the King Edward VII Welsh National Memorial to combat tuberculosis in Wales, as well as the Wilson Chair of International Politics at the University College of Wales, Aberystwyth.