Hanggin Āu-kî (Bông-kó͘-gí: ᠬᠠᠩᠭᠢᠨ
ᠬᠣᠶᠢᠲᠤ
ᠬᠣᠰᠢᠭᠤ
, Hàn-gí: 杭錦後旗) sī Tiong-kok Lāi-bông-kó͘ Chū-tī-khu Bayannur-chhī ê chi̍t ê kî.