| Official Name: | Phu Kamyao |
| Native Name: | ภูกามยาว |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Phayao |
| Subdivision Type2: | Seat |
| Subdivision Name2: | Huai Kaeo |
| Subdivision Type3: | Subdistrict |
| Subdivision Type4: | Muban |
| Established Title: | District established |
| Population Total: | 22659 |
| Population As Of: | 2005 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 56000 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 5609 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 19.2717°N 99.97°W |
Phu Kamyao (th|ภูกามยาว, pronounced as /th/; nod|ภูก๋ามยาว, pronounced as /nod/) is a district (amphoe) of Phayao province in northern Thailand.
Neighboring districts are (from the north clockwise): Pa Daet of Chiang Rai province; Dok Khamtai, Mueang Phayao, and Mae Chai of Phayao Province.
The mountains of the Phi Pan Nam Range dominate the landscape of the district.
The minor district was established on 1 July 1997, when it was split off from Mueang Phayao district.[1]
The Thai government on 15 May 2007, upgraded all of 81 minor districts to full districts.[2] With publication in the Royal Gazette on 24 August the upgrade became official.[3]
The district is divided into three sub-districts (tambons), which are further subdivided into 40 villages (mubans). Dong Chen is a township (thesaban tambon) which covers parts of tambons Dong Chen and Mae Ing. There are a further three tambon administrative organization (TAO).
| No. | Name | Thai name | Pop. | |||
|---|---|---|---|---|---|---|
| 1. | Huai Kaeo | ห้วยแก้ว | 8,917 | |||
| 2. | Dong Chen | ดงเจน | 9,217 | |||
| 3. | Mae Ing | แม่อิง | 4,525 |