Bua Ngam () is a tambon (subdistrict) of Det Udom District, in Ubon Ratchathani Province, Thailand. In 2016, it had a population of 12,439 people.
The tambon is divided into twelve administrative villages (mubans) which are further divided into sixteen community groups (Moo). The area is shared by 2 local governments; the center area was administrated by the Bua Ngam subdistrict municipality (à ¹Âà ¸Âà ¸¨à ¸Âà ¸²à ¸¥à ¸Âà ¸³à ¸Âà ¸¥à ¸Âà ¸±à ¸§à ¸Âà ¸²à ¸¡) while the remaining was covered by the Subdistrict Administrative Organization of Bua Ngam (à ¸Âà ¸Âà ¸Âà ¹Âà ¸Âà ¸²à ¸£à ¸Âà ¸£à ¸´à ¸«à ¸²à ¸£à ¸ªà ¹Âà ¸§à ¸Âà ¸Âà ¸³à ¸Âà ¸¥à ¸Âà ¸±à ¸§à ¸Âà ¸²à ¸¡).