Pho Mak Khaeng (Thai: โพธิ์หมากแข้ง) is a tambon (sub-district) of Bueng Khong Long District, in Bueng Kan Province, Thailand.

In 2015 it had a population of 12,783 people.

[1] The tambon is divided into 16 administrative villages (mubans).

Governance of the sub-district is shared by two local governments: This Bueng Kan province location article is a stub.

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