| St Tanwgs, Llandanwg | |
|---|---|
| The Church in the Sand | |
 St Tanwg's church with the lych gate in the foreground | |
 | |
| 52°49′57″N 4°07′34″W / 52.832615°N 4.125985°W | |
| Location | Llandanwg, Gwynedd |
| Country | Wales |
| Denomination | Anglican |
| History | |
| Dedication | St Tanwg |
| Architecture | |
| Functional status | active |
| Administration | |
| Province | Church in Wales |
| Diocese | Bangor |
| Archdeaconry | Meirionnydd |
| Deanery | Meirionydd Synod |
| Parish | Bro Ardudwy[1] |
| Clergy | |
| Rector | Rev. Anthony Hodges |
Listed Building – Grade I | |
| Official name | Church of St Tanwg |
| Designated | 30 November 1966 |
| Reference no. | 4790 |
| Community | Llanfair |
| Principal area | Gwynedd |
St Tanwg's Church, Llandanwg, also known as "the church in the sand", is an early medieval church dedicated to St Tanwg in the village of Llandanwg, Gwynedd, Wales. The church is a Grade I listed building.