| Honorific Prefix: | The Right Honourable |
| The Lord Davies | |
| Office1: | Member of the House of Lords |
| Status1: | Lord Temporal |
| Term Label1: | as a hereditary peer |
| Term Start1: | 1 September 1944 |
| Predecessor1: | The 2nd Baron Davies |
| Term End1: | 11 November 1999 |
| Successor1: | Seat abolished |
| Birth Date: | 2 October 1940 |
| Occupation: | Peer, engineer |
| Party: | Liberal Democrats |
David Davies, 3rd Baron Davies, (2 October 1940 – 7 February 2024), was a British hereditary peer and engineer.
Davies was the eldest son of David Davies, 2nd Baron Davies, and Ruth Dugdale, daughter of William Marshall Dugdale. He succeeded in the barony at the age of three after his father was killed in the Second World War. He was educated at Eton and King's College, Cambridge, and later became a chartered engineer. From 1975 to 2000 he was Chairman of the Welsh National Opera.[1]
Davies spoke four times in the House of Lords during the 1990s, but lost his seat in Parliament after the passing of the House of Lords Act 1999. He was appointed a Deputy Lieutenant of Powys in 1997 and served as Vice-Lord-Lieutenant of the county in 2004.
Lord Davies married Beryl Oliver, daughter of William James Oliver, in 1972. They had two sons and two daughters.[1] His wife served as High Sheriff of Powys 2004–2005. They lived in the family's ancestral home in Llandinam, Plas Dinam, until 2011.[2]
Davies died on 7 February 2024, at the age of 83.[3]