Yuexi County (Chinese: 越西县, Yi: ꃺꄧꑤ, Tibetan: ཡི་ཤིས་རྫོང་།) is a county located in the north of the Liangshan Yi Autonomous Prefecture, in the south of Sichuan Province, China.

Under imperial China, the area and its seat of government were known as 越巂 or 越嶲, variously read as Yuèxī or Yuèsuǐ in modern Chinese.

Yuexi County comprises 17 towns and 2 townships.

The former two have only been recorded in the Puxiong Town.

This Sichuan location article is a stub.