| Official Name: | Pa Faek |
| Native Name: | ป่าแฝก |
| Settlement Type: | Subdistrict |
| Pushpin Map: | Thailand |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type2: | Province |
| Subdivision Name2: | Phayao |
| Subdivision Type3: | District |
| Subdivision Name3: | Mae Chai |
| Population As Of: | 2005 |
| Population Total: | 5,538 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 19.4231°N 99.7714°W |
Pa Faek, Phayao (Thai: ป่าแฝก, in Thai pronounced as /pàː fɛ̀ːk/) is a village and subdistrict (tambon) in Mae Chai District, in Phayao Province, Thailand. As of 2005, it has a population of 5,538 people. It is in the northwestern part of the province not far from the border with Chiang Rai Province. It lies along Thailand Route 1 (Phahon Yothin Road) and is connected by road to Charoen Rat, Mae Chai and Phayao in the south and Mae Yen across into Chiang Rai Province to the north.[1] The tambon has 10 villages under its jurisdiction. The tambon has mountainous terrain in east and plains in the middle with agricultural land and buildings.[2]