Synuchus is a genus of ground beetle native to the Palearctic (including Europe) and the Near East. It contains the following species: * Synuchus adelosia Andrewes, 1934 * Synuchus agonoides (Bates, 1889 * Synuchus agonus Tschitscherine, 1895 * Synuchus amamioshimae Habu, 1978 * Synuchus andrewesi Habu, 1955 * Synuchus angusticeps Tanaka, 1962 * Synuchus angustus Habu, 1978 * Synuchus arcuaticollis Motschulsky, 1860 * Synuchus assamensis Deuve, 1986 * Synuchus atricolor Bates, 1883 * Synuchus bellus Habu, 1978 * Synuchus brevis Lindroth, 1956 * Synuchus breviusculus Mannerheim, 1849 * Synuchus calathinus Lindroth, 1956 * Synuchus callitheres Bates, 1873 * Synuchus cathaicus Bates, 1873 * Synuchus chabo Habu, 1955 * Synuchus chinensis Lindroth, 1956 * Synuchus congruus (A