David Davies was a Welsh industrialist and Liberal politician who sat in the House of Commons between 1874 and 1886. Davies was often known as David Davies Llandinam. He is best remembered today for founding Barry Docks.

Llandinam is a village and community in Montgomeryshire, Powys, central Wales, between Newtown and Llanidloes, located on the A470. As a community, Llandinam is made up of the village itself, small hamlets including Plas Dinam and Little London and several farms. The village itself has a population of around 576 with 56% born in Wales.