Cẩm Khê District
（重定向自Cam Khe）
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.