Aeron is used in several ways including:
- Aeron (Celtic mythology), masculine god of battle or slaughter
- Aeron chair, product of Herman Miller designed in 1994
- Aeron Clement (1936–1989), American science fiction author
- Aeron Express, hand powered cable ferry in the Welsh coastal town of Aberaeron
- Alejandra and Aeron, artists based in Oslo, Norway
- Ciliau Aeron, small village near Aberaeron in Ceredigion, Wales
- River Aeron, small river that flows into Cardigan Bay
- Ystrad Aeron, small village between Lampeter and Aberaeron, Wales
- Aeron (kingdom), early Brythonic kingdom in northern Britain