| Cagne | |
| Map: | Cagne (fleuve).png |
| Mouth: | Mediterranean Sea |
| Mouth Coordinates: | 43.6526°N 7.1554°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | France |
| Length: | 28km (17miles) |
| Tributaries Right: | Lubiane, Malvan |
The Cagne is a river that flows through the Alpes-Maritimes department of southeastern France. Its source is near Coursegoules, and it flows into the Mediterranean Sea in Cagnes-sur-Mer. It is 27.5km (17.1miles) long. The Malvan is one of its tributaries.