Kengcheng or Keng Cheng (also known as Kyaingchaing and Chiang Khaeng) was one of the Shan states.

The capital of Keng Cheng was at Muang Sing (now part of Laos).

[2] In 1896, Kengcheng was divided between British Burma and French Indochina with the Mekong as a border.

[3] Sir George Scott mentioned the following about the Keng Cheng Myosa:[4] This was the unfortunate man who was told that he belonged to Siam and then that he didn't.

Half his territory finally handed over to France.The rulers of Kengcheng had the title Ngwegunhmu and by c. 1880, it changed to Myoza.