| Belbo | |
| Source1 Location: | Colli di Montezemolo, Langhe |
| Source1 Elevation: | 800m (2,600feet) |
| Mouth: | Tanaro |
| Mouth Coordinates: | 44.895°N 8.5259°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Italy |
| Length: | 94.9km (59miles)[1] |
| Discharge1 Avg: | (mouth) 5.1m3/s[2] |
| Basin Size: | 468.6km2 |
| Map: | Belbo location map.jpg |
| Tributaries Left: | Tinella |
The Belbo is a river of southern Piedmont, Italy. It is a right-side tributary of the Tanaro.
The Belbo rises in the Langhe, on the borders between Piedmont and Liguria in the hills of Montezemolo.After flowing through the Piedmontese provinces of Cuneo, Asti and Alessandria, the river joins the Tanaro from the right at Villa del Foro, in the comune of Alessandria.