Bo Phloi (, ) is a district (amphoe) of Kanchanaburi province, western Thailand and is located northwest of Bangkok.
The minor district (king amphoe) Bo Phloi was created by splitting off some parts of Mueang Kanchanaburi district. It was upgraded to a full district on 16 July 1963.
Neighboring districts are (from the south clockwise) Tha Muang, Mueang Kanchanaburi, Si Sawat, Nong Prue, Lao Khwan, Huai Krachao, and Phanom Thuan of Kanchanaburi Province.
The district is divided into six subdistricts (tambons), which are further subdivided into 80 administrative villages (mubans).
<small>Missing subdistrict-numbers are part of Nong Prue district.</small>
As of December 2024 there are: two municipal (thesaban) areas in the district: Bo Phloi subdistrict municipality (thesaban tambon) consists of parts of the subdistricts Bo Phloi and Chong Dan, Nong Ri subdistrict municipality covers parts of Nong Ri subdistrict..
The non-municipal areas are administered by six subdistrict administrative organizations - SAO (ongkan borihan suan tambon - o bo toh).
Bo Phloi district is served by one hospital
In the district there are ten health-promoting hospitals in total, of which;
There are forty-three Theravada Buddhist temples in the district.
The Christians have one church.