Khok Sung (Thai: โคกสูง, pronounced [kʰôːk sǔːŋ]) is a district (amphoe) in the eastern part of Sa Kaeo province, eastern Thailand.

Neighboring districts are (from the south clockwise) Aranyaprathet, Watthana Nakhon and Ta Phraya of Sa Kaeo Province, and to the east, Banteay Meanchey of Cambodia.

[2] With its publication in the Royal Gazette on 24 August 2007, the upgrade became official.

The district is divided into four sub-districts (tambons), which are further subdivided into 38 villages (mubans).

This Sa Kaeo Province location article is a stub.