| Cẩm Khê District | |
| Settlement Type: | District |
| Native Name: | Huyện Cẩm Khê |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northeast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Phú Thọ |
| Seat Type: | Capital |
| Seat: | Cẩm Khê |
| Leader Title: | District Party Committee Secretary |
| Leader Name: | Nguyễn Mạnh Hùng |
| Leader Title1: | Chairman of the People's Council |
| Leader Name1: | Nguyễn Mạnh Hùng |
| Leader Title2: | Chairman of the People's Committee |
| Leader Name2: | Cù Xuân Ân |
| Established Title: | Founded |
| Established Date: | 1841 |
| Unit Pref: | Imperial |
| Area Total Km2: | 234.2 |
| Population As Of: | 2019 |
| Population Total: | 139,424 |
| Population Density Km2: | 594 |
| Timezone: | Indochina Time |
| Utc Offset: | +7 |
Cẩm Khê is a mountainous district in western Phú Thọ province, Vietnam. The district borders Hạ Hòa district to the north, Tam Nông district to the south, Yên Lập district to the west, and Thanh Ba district to the east. It covers an area of 234.2 square kilometres.
According to 2002 census figures, the district has a population of 128,537 and a workforce of 65,720.[1]
The district contains one township, Sông Thao, and 30 communes: