The Zo ethnic tribes are an indigenous tribe. mostly found in Northern Chin State and in the Kabaw Valley of Western Sagaing Division in the Union of Myanmar. The Zo tribe has an estimated population of over 60.000. The are very much scattered in Myanmar and some other parts of the world. They are one of the official ethnic tribes in Myanmar. The Zo ethnics descend from the Main Tet Tibeto-Burman group of people. The ethnic group's name is believed to have been derived from the first person whose name was Pu Zo.
Due to lack of evidence and difficulties in excavating archeological remains. the Zo's origins are difficult to be proved. Though widely believe to have descended from Mongolia. the routes to the present settlements are not clear. It is believed that the Zos have descended from Mongolia to China and to Tibet and to the present day Myanmar.