The Öngüd, or Öngüt, or Ongot are a Mongolic tribe, active in Mongolia around the time of Genghis Khan (1162–1227).

Many members are Nestorian Christians.

They live in an area lining the Chinese Great Wall, in the northern part of the Ordos and territories to the northeast of it.

They appear to have had two capitals, a northern one at the ruin known as Olon Süme and another a bit to the south at a place called Koshang or Dongsheng.

They acted as wardens of the marches for the Chinese Empire to the north of the province Shansi.

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