Mongyang or Möngyang (Burmese: မိုးညှင်း, romanized: Mohnyin; also known as Mong Yang; Thai: เมือง​ยาง) was a Shan state in what is today Burma.

Möngyang (Mong Yang) was a Shan state established at an uncertain date before the 15th century with the town of Mohnyin as its capital.

In 1527 Mongyang armies succeeded in capturing Ava, upsetting the delicate power balance that had existed in the area for nearly two centuries.

[3] Under the Konbaung dynasty the area of the former state was administered by a Viceroy called a Myowun, who was appointed by the king and possessed civil, judicial, fiscal and military powers.

[4] Mong Yang is a playable nation in Europa Universalis IV.