Bo (Thai: บ่อ, pronounced [bɔ̀ː]) is a tambon (subdistrict) of Khlung District, in Chanthaburi Province, Thailand.

In 2017, it had a total population of 7,213 people.

[1] The tambon is subdivided into 10 administrative villages (muban).

The whole area of the subdistrict is covered by the subdistrict municipality (Thesaban Tambon) Bo (เทศบาลตำบลบ่อ).

This Chanthaburi Province location article is a stub.