Aju (or Achu; Khalkha Mongolian: Ажу; Chinese: 阿朮) (1227–1287) was a general and chancellor of the Mongol Empire and the Yuan dynasty. He was from the Jarchud clan of the Mongol Uriankhai. His father was Yuan dynasty general Uriyangkhadai and his grandfather was Subutai, the honored general and Noyan of Genghis Khan.