| Breitlauihorn | |
| Elevation M: | 3654 |
| Prominence M: | 87 |
| Prominence Ref: | [1] |
| Parent Peak: | Breithorn (Blatten) |
| Map: | Switzerland |
| Location: | Valais, Switzerland |
| Range: | Bernese Alps |
| Coordinates: | 46.4128°N 7.8811°W |
The Breitlauihorn (3,654 m) is a mountain of the Bernese Alps, located east of Blatten in the canton of Valais. It lies west of the Breithorn (Blatten), on the range between the Lötschental and the Baltschiedertal.