Ngao may refer to:
Ngao (polearm), a Thai polearm Ngao, Kenya Ngao District, Lampang Province, Thailand Ngao River, a river in Northern Thailand, tributary of the Yom River Ngao, Thoeng, a village and subdistrict of Thoeng District, Chiang Rai Province, Thailand Ngao of Vientiane, Vientiane, took part in Lao rebellion (1826–1828)