A revised list of the Cantharidae of Peru is proposed. The following taxonomic changes are proposed: Cantharis lagunitana var. otuzconensis Pic 1911 =  Discodon (Falsopolemius) otuzconense (Pic, 1911), n. status and n. comb.; Cantharis subannulipes Pic, 1911  =  Discodon subannulipes (Pic, 1911), n. comb.; Discodon subannulipes Pic, 1914 (nec Pic, 1911)  =  Discodon neosubannulipes, n. nom.; Telephorus trimaculatus Pic, 1909  =  Discodon trimaculatum (Pic, 1909), n. comb.; Silis longissima Pic, 1927  =  Plectonotum longissimum (Pic, 1927), n. comb.; Malthodes peruvianus Pic, 1913  =  Tytthonyx peruvianus (Pic, 1913), n. comb.; Malthodes flavofemoralis Pic, 1955  =  Tytthonyx flavofemoralis (Pic, 1955), n. comb. The following species are new additions to the Peruvian fauna: Peltariosilis scutulata Wittmer, 1952, Chauliognathus atricolor Pic, 1912, C. binotaticollis Pic, 1912, Daiphron longulum Pic, 1919, and Psilorhynchus bifasciatus Blanchard, 1844.