Tan-y-groes (or Tanygroes) is a hamlet in the community of Penbryn, Ceredigion, Wales, which is 11 km (7 mi) east of Cardigan on the A487 trunk road. Tan-y-groes is represented in the Senedd by Elin Jones (Plaid Cymru) and the Member of Parliament is Ben Lake (Plaid Cymru).