| St Ceinwen's Church, Llangeinwen | |
| Coordinates: | 53.1666°N -4.3355°W |
| Location: | Llangeinwen |
| Country: | Wales |
| Denomination: | Church in Wales |
| Dedication: | St Ceinwen |
| Heritage Designation: | Grade II* |
| Diocese: | Diocese of Bangor |
| Province: | Province of Wales |
St Ceinwen's Church, Llangeinwen, is a Grade II* listed building in Anglesey, north Wales. It is from the neighbouring St Mary's Church, Llanfair-yn-y-Cwmwd.
The historic environment service of the Welsh government, Cadw, says that:
Named for St Ceinwen, the church is located within an enclosed churchyard on the NW side of the A4080, 800m West of the village of Dwyran.