Aberaeron, previously anglicised as Aberayron, is a town, community and electoral ward in Ceredigion, Wales. Located on the coast between Aberystwyth and Cardigan, its resident population was 1,274 in the 2021 census. The name of the town is Welsh for "mouth of the Aeron". It is derived from the Middle Welsh aer, which gave its name to Aeron, believed by some to have been a Welsh god of war. One of the main Ceredigion County Council office sites is located in Aberaeron.