Samrong Thap (Thai: สำโรงทาบ, pronounced [sǎm.rōːŋ tʰâːp]) is a district (amphoe) in the eastern part of Surin province, northeastern Thailand.

The minor district (king amphoe) Samrong Thap was established on 1 September 1958.

Neighboring districts are (from the southwest clockwise): Sikhoraphum, Sanom and Non Narai of Surin Province; Mueang Chan, Huai Thap Than and Prang Ku of Sisaket province.

The district is divided into 10 sub-districts (tambons), which are further subdivided into 100 villages (mubans).

Samrong Thap is a township (thesaban tambon) which covers parts of tambons Samrong Thap and Nong Phai Lom.