Thong Saen Khan (Thai: ทองแสนขัน, pronounced [tʰɔ̄ːŋ sɛ̌ːn kʰǎn]) is a district (amphoe) in the southern part of Uttaradit province, northern Thailand.

Geography

Neighboring districts are (from the southwest clockwise) Phichai, Tron, Mueang Uttaradit, Tha Pla, Nam Pat of Uttaradit Province, Chat Trakan and Wat Bot of Phitsanulok province

History

The minor district (king amphoe) was created on 1 July 1983, when four tambon were split off from Tron district. It was upgraded to a full district on 21 May 1990.

Administration

The district is divided into four sub-districts (tambons), which are further subdivided into 45 villages (mubans). The township (thesaban tambon) Thong Saen Khan covers parts of tambon Bo Thong. There are a further four tambon administrative organizations (TAO).

No.	Name	Thai name	Villages	Pop.
1.	Phak Khuang	ผักขวง	14	9,198
2.	Bo Thong	บ่อทอง	14	12,287
3.	Pa Khai	ป่าคาย	9	6,030
4.	Nam Phi	น้ำพี้	8	5,527