| Official Name: | Llanfihangel Ystrad |
| Type: | Community |
| Country: | Wales |
| Static Image Name: | Parish Church, Llanfihangel Ystrad - geograph.org.uk - 828464.jpg |
| Static Image Caption: | St Michael's church |
| Coordinates: | 52.1833°N -14°W |
| Unitary Wales: | Ceredigion |
| Module: | Map of the community |
cy|'''Llanfihangel Ystrad'''|vale of St Michael|italic=no is a community and constituent parish in Ceredigion, Wales. It is named after the principal place of worship, St Michael's Church at Ystrad Aeron.[1]
The total population of the community taken at the United Kingdom Census 2011 was 1,430.[2]
Villages within the community include Ystrad Aeron, Dihewyd, Cribyn and Temple Bar.
An electoral ward of the same name exists. This ward stretches to the community of Nantcwnlle with a total population of 2,037.[3]