Geraint Rhys Davies (born 1 December 1948) is a Welsh Plaid Cymru politician.

Davies attended Pentre Grammar School, Chelsea College, and the University of London.

Davies served a councillor on District of Rhondda Council until its abolition 1996 as well as a County Borough Councillor for the ward of Treherbert in Rhondda Cynon Taff from 1995 to 2004 and again from 2012 to 2022 when he stood down at the age of 73.After serving the Treherbert Ward for 42 years.

[2][3] He defeated Wayne David, former leader of the Labour Party in the European Parliament to take the seat, with a majority of 2,285.

[4] He served Plaid Cymru's spokesperson for the South Wales Valleys,[5] and was a member of the Local Government Partnership Council and Health and Social Services Committee.