| Official Name: | Muang Noi |
| Native Name: | ม่วงน้อย |
| Settlement Type: | Subdistrict |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type2: | Province |
| Subdivision Name2: | Lamphun |
| Subdivision Type3: | District |
| Subdivision Name3: | Pa Sang District |
| Population As Of: | 2005 |
| Population Total: | 4649 |
| Timezone: | Thailand |
| Utc Offset: | +7 |
Muang Noi (Thai: ม่วงน้อย, in Thai pronounced as /mûa̯ŋ nɔ́ːj/) is a village and tambon (subdistrict) of Pa Sang District, in Lamphun Province, Thailand.[1] In 2005 it had a population of 4649 people. The tambon contains eight villages.