Tha Chang (Thai: ท่าช้าง, pronounced [tʰâː t͡ɕʰáːŋ]) is a district (amphoe) in the southern part of Sing Buri province, central Thailand.

[2] The Noi river is the main water resource of the district.

Neighboring districts are (from the west clockwise) Khai Bang Rachan, Mueang Sing Buri and Phrom Buri of Sing Buri Province, and Chaiyo and Pho Thong of Ang Thong province.

Thon Samo is a subdistrict municipality (thesaban tambon) which covers most of the tambon Thon Samo and Phikun Thong.

This Singburi Province location article is a stub.