Moxi (simplified Chinese: 磨西镇; traditional Chinese: 磨西鎮; pinyin: Móxī Zhèn; Sichuanese romanization: Mo2-si1 Chen4; also known as Mosimien or Mosymien [磨西面]), or Boxab (Tibetan: འབོ་ཞབས་གྲོང་རྡལ།, Wylie: vbo zhabs grong rdal), is a town in Luding County in the Garzê Tibetan Autonomous Prefecture of Sichuan, China.

Moxi Town stands at the gateway to the Hailuogou Glacier Forest Park, south of Kangding and east of Mount Konka.

Moxi lies at roughly 1,600 meters above sea level, and the population are mainly ethnic Han Chinese, Yi and Tibetan with other minorities.

It has a small Catholic church built at the end of the 19th century by missionaries of the Paris Foreign Missions Society, with a colourful bell tower and a number of wooden shops.

Following this event, two missionaries, Pascual Nadal Oltra [es] and Epifanio Pegoraro, were taken prisoner and beheaded by communist soldiers.