| Weiss | |
| Pushpin Map: | France#France Grand Est |
| Subdivision Type1: | Country |
| Subdivision Name1: | France |
| Length: | 24km (15miles) |
| Source1: | Vosges Mountains |
| Mouth: | Fecht |
| Mouth Location: | Illhaeusern |
| Mouth Coordinates: | 48.1241°N 7.3364°W |
| Progression: | Fecht→ |
The Weiss is a river in the Haut-Rhin department, northeastern France. It rises in the Vosges Mountains near the Lac Blanc and joins the river Fecht (a tributary of the Ill) near Bennwihr, north of Colmar, after a course of 24km (15miles). It flows through Orbey and Kaysersberg.