Yinan (沂南县; pinyin: Yínán Xiàn) is a county of Linyi in the Chinese province of Shandong.
The population was 896,467 in 1999.
Towns:
The only township is Mamuchi Township (马牧池乡)
Coordinates: 35°32′57″N 118°28′01″E / 35.54917°N 118.46694°E / 35.54917; 118.46694