Na Sawan is a subdistrict (tambon) in Mueang Bueng Kan District, in Bueng Kan Province, northeastern Thailand.

[1] The topography of Na Sawan subdistrict is plain, suitable for farming.

[2] The administration of ฺNa Sawan subdistrict (tambon) is responsible for an area that covers 80.25 square kilometres (30.98 sq mi) and consists of nine administrative villages (muban).

[1] Na Sawan Subdistrict Administrative Organization - Na Sawan SAO (Thai: องค์การบริหารตำบลนาสวรรค์, romanized: ongkan borihan suan tambon Na Sawan) covers the whole Na Sawan subdistrict.

Na Sawan subdistrict is home to the following active temples, where Theravada Buddhism is practised by local residents:[3]