| Official Name: | Muang Xon |
| Settlement Type: | Town |
| Pushpin Map: | Laos |
| Subdivision Type: | Country |
| Subdivision Name: | Laos |
| Subdivision Type2: | Province |
| Subdivision Name2: | Houaphanh |
| Subdivision Type3: | District |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 20.4597°N 103.3456°W |
Muang Xon is a small river town in Houaphanh Province, northeastern Laos. It is to the south by river from Ban Xay, and lies to the southeast of Vieng Kham, and to the north of Vieng Thong. Phou Soy mountain (2257 m) lies to the southwest.[1] Along with Ban Sop Hao, Muang Xon is said to be one of the finest producers of textiles.[2]