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