Cẩm Khê is a mountainous district in western Phú Thọ province, Vietnam.

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:

This article about a location in Phú Thọ province, Vietnam is a stub.