| Lützel / Lucelle | |
| Pushpin Map: | Switzerland |
| Subdivision Type1: | Countries |
| Subdivision Name1: | Switzerland |
| Subdivision Type2: | Location |
| Subdivision Type3: | Reference no. |
| Subdivision Name3: | FR: , CH: 503 |
| Length: | 25.4km (15.8miles)[1] |
| Source1 Location: | South of the hamlet of Le Moulin in the municipality of Bourrignon, Switzerland |
| Source1 Elevation: | ca. 828m (2,717feet) |
| Mouth Location: | between Laufen and Liesberg (Switzerland) into the Birs |
| Mouth Elevation: | 354m (1,161feet) |
The Lützel (fr|Lucelle) is a tributary of the Birs in Switzerland and France. It flows into the Birs near Laufen. For 12 km, it forms the border between Switzerland and France.