Bang Yai subdistrict, Nonthaburi

Bang Yai (บางใหญ่, ) is one of the six subdistricts (tambon) of Bang Yai District, in Nonthaburi Province, Thailand. The subdistrict is bounded by (clockwise from north) Ban Mai, Bang Mae Nang, Bang Muang, Sala Klang and Sala Ya subdistricts. In 2020, it had a total population of 20,616 people.

Central administration
The subdistrict is subdivided into 6 administrative villages (muban).

Local administration
The area of the subdistrict is shared by two local administrative organizations.
 * Bang Yai Subdistrict Municipality (เทศบาลตำบลบางใหญ่)
 * Bang Yai Subdistrict Administrative Organization (องค์การบริหารส่วนตำบลบางใหญ่)