| Sanna | |
| Mouth Location: | Vistula |
| Mouth Coordinates: | 50.8678°N 21.8506°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Poland |
The Sanna is a tributary of Vistula River in Poland. Its source is in the village of Wierzchowiska II in Lublin Voivodeship, Galicia. The 50 km long Sanna flows westward through a rural area. Then, it turns northward for a few kilometers until flowing into the Vistula near the city of Annopol.