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The jianfengling species group of the termitophilous carabid genus Orthogonius MacLeay, 1825 is defined and reviewed. This species group ranges from southern China, crossing Indochina and Myanmar to eastern India. To date, the jianfengling species group is composed of ten species, including six new species which are hereinafter described and illustrated: O. wrasei sp. n. (Myanmar), O. bellus sp. n. and O. limbourgi sp. n. (Vietnam), O. politior sp. n., O. aberlenci sp. n. (Laos) and O. meghalayaensis sp. n. (India). Habitus, elytral apices and male genitalia of all species are illustrated. A key to species and a distribution map of jianfengling species group are provided.