Ngao () is a village and tambon (subdistrict) of Thoeng District, in Chiang Rai Province, Thailand.Thaitambon.com , Accessed April 25, 2011 In 2005 it had a population of 9,943 people. The tambon contains 20 villages.

The conspicuous Doi Ian mountain is in Ngao Subdistrict.

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