Yanshan County (simplified Chinese: 盐山县; traditional Chinese: 鹽山縣; pinyin: Yánshān Xiàn; lit.

'Salt Mountain') is a county in the east of Hebei province, China, bordering Shandong to the south and east.

It is under the administration of Cangzhou City, and it has a population of 411,356 residing in an area of 795 km2 (307 sq mi).

[1] China National Highway 205 runs northwest-southeast through the county.

There are 6 towns and 6 townships under the county's administration.