Mueang Surin (Thai: เมืองสุรินทร์, pronounced [mɯ̄a̯ŋ sù.rīn]) is the capital district (amphoe mueang) of Surin province, northeastern Thailand.
Neighboring districts are (from the north clockwise): Chom Phra, Khwao Sinarin, Sikhoraphum, Lamduan and Prasat of Surin Province; Krasang and Satuek of Buriram province.
The district is divided into 21 sub-districts (tambons), which are further subdivided into 292 villages (mubans).
Mueang Thi is a sub-district municipality (thesaban tambon) which covers parts of tambon Mueang Thi.
Missing numbers now form Khwao Sinarin District.