Lionychus is a genus of beetles in the family Carabidae, containing the following species:
Lionychus albivittis Bates, 1886
Lionychus albonotatus (Dejean, 1825)
Lionychus anamalai Jedlicka, 1969
Lionychus basalis Peringuey, 1896
Lionychus beccarii Gestro, 1889
Lionychus bivittatus Fairmaire, 1899
Lionychus chujoi Jedlicka, 1966
Lionychus cinctus Chaudoir, 1848
Lionychus damarensis Kuntzen, 1919
Lionychus fleischeri Reitter, 1908
Lionychus himalayicus Andrewes, 1931
Lionychus horni Dupuis, 1913
Lionychus laetulus Peringuey, 1904
Lionychus laosensis Jedlicka, 1966
Lionychus marginellus Schmidt-Goebel, 1846
Lionychus maritimus Fairmaire, 1862
Lionychus ninini Marion, 1989
Lionychus orientalis K.Daniel, 1901
Lionychus planus Mateu, 1978
Lionychus quadrillum (Duftschmid, 1812)
Lionychus sturmii (Gene, 1836)
