This paper is the third in a series of studies on the genus Trachys Fabricius from China. It reports the results of a collecting survey of the fauna in Hunan Province, China. Altogether, 20 species and subspecies were collected and identified from the province. Detailed distributional data are presented for all species and subspecies recorded from Hunan Province, nine of which are recorded as new to the province, and four of which are considered new species and herein described and illustrated: Trachys chalingensis Peng, new species; Trachys cylindricus Peng, new species; Trachys latiquadratus Peng, new species; and Trachys scapuliformis Peng, new species.