Amto–Musan languages
| Amto–Musan | |
|---|---|
| Samaia River | |
| Geographic distribution | Samaia River, Sandaun Province, Papua New Guinea | 
| Linguistic classification | Arai–Samaia or independent language family 
 | 
| Subdivisions | |
| Language codes | |
| Glottolog | amto1249 | 
Amto–Musan is a language family of two closely related but mutually unintelligible Papuan languages, Amto and Siawi, spoken along the Samaia River of Sandaun Province of Papua New Guinea.