| Margam Abbey | |
|---|---|
| St Mary's Abbey Church, Margam | |
Abaty Margam | |
 Margam Abbey: the present parish Church of St Mary comprises the nave of the abbey church | |
 | |
| Location | Margam, Port Talbot, Neath Port Talbot |
| Country | Wales |
| Denomination | Church in Wales |
| Previous denomination | Roman Catholic |
| Churchmanship | Anglo-Catholic |
| History | |
| Status | Parish church |
| Founded | 1147 |
| Dedication | Saint Mary |
| Architecture | |
| Functional status | Active |
| Heritage designation | Grade I |
| Style | Romanesque |
| Administration | |
| Province | Wales |
| Diocese | Llandaff |
| Archdeaconry | Margam |
Margam Abbey (Welsh: Abaty Margam) was a Cistercian monastery, located in the village of Margam, a suburb of modern Port Talbot in Wales.