Abstract: There are seventeen species of Odontotermes known in China. This paper reports on a new species which is collected from Guangxi autonomous region and named Odontotermes meridionalis Gao, sp. nov.The soldier of this new species resembles that of 0. zunyiensis but differs in 1) the head-width index is larger (head width/length of head to side base of mandibles), and 2) the head is larger.Type locality shanglin county, Guangxi autonomous region. The soldiers (Holotype and paratype) and workers were collected by Yang Lizhong from covered galleries on May 15, 1983.The soldier specimen of holotype is deposited in Shanghai Institute of Entomology, Academia Sinica.The soldier specimens of paralype are deposited separately in Shanghai Institute of Entomology, Academia Sinica, and Nanjing Institute of Termite Control.