| Bridge Name: | Pont Saint-Martin |
| Carries: | Connection Po Valley-Gaul |
| Crosses: | Lys |
| Locale: | Pont-Saint-Martin, Aosta Valley, Italy |
| Fetchwikidata: | 1 |
| Design: | Arch bridge |
| Material: | Stone |
| Spans: | 1 |
| Mainspan: | 31.4 m, 35.64 m or 36.65 m |
| Width: | 5.8 m |
| Complete: | Reign of Augustus (27 BC–14 AD) |
| Mapframe-Zoom: | 16 |
The Pont Saint-Martin is a Roman bridge in the Aosta Valley in Italy dating to the 1st century BC.
The span is [1] according to recent research, but frequently stated to be 35.64 m or 36.65 m.
Other extant Roman bridges in the Aosta valley include the Pont d'Aël in the Cogne Valley and the Pont de Pierre in Aosta.