| Official Name: | Song |
| Native Name: | สอง |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Phrae |
| Subdivision Type2: | Seat |
| Subdivision Name2: | Ban Klang |
| Subdivision Type3: | Subdistrict |
| Subdivision Type4: | Muban |
| Established Title: | District established |
| Population Total: | 53687 |
| Population As Of: | 2005 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 54120 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 5406 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 18.47°N 100.1833°W |
Song (Thai: สอง, in Thai pronounced as /sɔ̌ːŋ/) is the northernmost district (amphoe) of Phrae province, northern Thailand.
Neighboring districts are (from the southeast clockwise): Rong Kwang, and Nong Muang Khai of Phrae Province; Mae Mo and Ngao of Lampang province; Dok Khamtai and Chiang Muan of Phayao province; Ban Luang and Wiang Sa of Nan province.
The mountainous landscape of the Phi Pan Nam Range dominates the district. Mae Yom National Park is in Song District. The everyday life of the villagers there was investigated by Living River Siam because of the possibility that a dam would be built in Kaeng Sua Ten.
Phra That Phra Lo, an ancient chedi is in Ban Klang Sub-district, west of Song.[1] The chedi is said to house the remains of King Phra Lo, who died together with Phra Phuean and Phra Phaeng, the two women he loved who were the daughters of the ruler of the city of Song.[2] The tragic story Lilit Phra Lo (ลิลิตพระลอ) originated in a tale of Thai folklore and later became part of Thai literature. It was voted the best lilit work by King Rama VI's royal literary club in 1916.[3]
Originally named Mueang Song, 1917 the district was renamed Ban Klang after the name of the central tambon.[4] It returned to its original name, Song, in 1939, dropping the word mueang which was reserved for the capital districts of provinces.[5]
The district is divided into eight sub-districts (tambons), which are further subdivided into 84 villages (mubans). Song is a township (thesaban tambon) and covers parts of tambons Ban Nun and Ban Klang. There are a further eight tambon administrative organizations (TAO).
| No. | Name | Thai name | Villages | Pop. | ||
|---|---|---|---|---|---|---|
| 1. | Ban Nun | บ้านหนุน | 11 | 9,160 | ||
| 2. | Ban Klang | บ้านกลาง | 12 | 8,392 | ||
| 3. | Huai Mai | ห้วยหม้าย | 17 | 8,769 | ||
| 4. | Tao Pun | เตาปูน | 12 | 8,418 | ||
| 5. | Hua Mueang | หัวเมือง | 13 | 6,828 | ||
| 6. | Sa-iap | สะเอียบ | 9 | 5,671 | ||
| 7. | Daen Chumphon | แดนชุมพล | 4 | 2,685 | ||
| 8. | Thung Nao | ทุ่งน้าว | 5 | 3,764 |
