Arwyn Randall Davies, Baron Arwyn (17 April 1897 – 23 February 1978) was a Welsh Labour life peer.
[1] He was a Chartered Mining Engineer, businessman and company director.
He married secondly Beatrix Emily Bassett (née Organ).
Davies took the name of Arwyn in lieu of Davies by Deed Poll on 14 December 1964 prior to being made a peer.
[2] On 29 December 1964, he was created a life peer as Baron Arwyn, of Glais in the County of Glamorgan.