| Muang Saiapoun | |
|---|---|
| Town | |
| Coordinates: 18°24′5″N 101°30′26″E / 18.40139°N 101.50722°E | |
| Country |
|
| Province | Sainyabuli Province |
| Time zone | Laos Standard Time (UTC+7) |
Muang Saiapoun is a river town in Sainyabuli Province, Laos. It is located along the main road (Route 4), south of Phon Ngam.