Anxi may refer to:

• Anxi County (安溪县), Quanzhou, Fujian
• Guazhou County (安西县), formerly Anxi County, in Jiuquan, Gansu
  • Guazhou Town, formerly Anxi Town (安西镇), in what is now Guazhou County
• Protectorate General to Pacify the West, a Central-Asian military government established by Tang Dynasty
• Arsacid Empire, rendered as Anxi in historical Chinese writings
• Anxi., a song from Kelly Lee Owens' self-titled album.