Tersky District (; ; ) is an administrative and a municipal district (raion), one of the ten in the Kabardino-Balkarian Republic, Russia. It is located in the east of the republic. The area of the district is . Its administrative center is the town of Terek. As of the 2010 Census, the total population of the district was 51,220, with the population of Terek accounting for 37.4% of that number.
Within the framework of administrative divisions, Tersky District is one of the ten in the Kabardino-Balkarian Republic and has administrative jurisdiction over one town (Terek) and twenty-six rural localities. As a municipal division, the district is incorporated as Tersky Municipal District. The town of Terek is incorporated as an urban settlement and the twenty-six rural localities are incorporated into seventeen rural settlements within the municipal district. The town of Terek serves as the administrative center of both the administrative and municipal district.