Thylactus is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:
Thylactus analis Franz, 1954Thylactus angularis Pascoe, 1866Thylactus chinensis Kriesche, 1924Thylactus densepunctatus Chiang & Li, 1984Thylactus dentipennis Wang & Jiang, 1998Thylactus filipinus Vives, 2013Thylactus insignis Gahan, 1890Thylactus itzingeri Breuning, 1935Thylactus javanicus Breuning, 1935Thylactus kinduensis Breuning, 1950Thylactus lateralis Jordan, 1894Thylactus lettowvorbecki Kriesche, 1924Thylactus mjoebergi Aurivillius, 1925Thylactus pulawskii Hua, 1986Thylactus sikkimensis Breuning, 1938Thylactus simulans Gahan, 1890Thylactus sumatrensis Hüdepohl, 1987Thylactus umbilicatus Hüdepohl, 1990Thylactus uniformis Pic, 1934Thylactus zuberhoferi (Thomson, 1878)