| Coordinates: | 51.4108°N -3.3551°W |
| Static Image: | Kenson Bridge, Penmark.jpg |
| Static Image Width: | 260px |
| Country: | Wales |
| Official Name: | Penmark |
| Welsh Name: | Pen-marc |
| Unitary Wales: | Vale of Glamorgan |
| Community Wales: | Rhoose |
| Lieutenancy Wales: | South Glamorgan |
| Constituency Westminster: | Vale of Glamorgan |
| Post Town: | Barry |
| Postcode Area: | CF |
| Postcode District: | CF62 |
| Dial Code: | 01446 |
| Os Grid Reference: | ST058688 |
Penmark (cy|Pen-marc) is a rural village south-west of Barry near Rhoose in the Vale of Glamorgan, in South Wales. The village is a parish and is a linear village. It has a parish church along the main road running through the village.
Penmark is located near the international airport for Wales, Cardiff International Airport.
The village has the remains of a 13th-century castle.[1]