| Name | Llanerchymedd |
| Alt names | Llannerch Y Medd | source: A Vision of Britain through Time |
| Llannerch-y-medd | source: Family History Library Catalog |
| Type | Parish (ancient), Civil parish |
| Coordinates | 53.333°N 4.383°W |
| Located in | Anglesey, Wales ( - 1974) |
| Also located in | Gwynedd, Wales (1974 - 1996) |
| Isle of Anglesey, Wales (1996 - ) |
| See also | Twrcelyn Rural, Anglesey, Wales | rural district in which it was located 1894-1996 |
