Nomenclatorial corrections are made for twenty-one cases of homonymy for Latin American Scydmaenidae (Coleoptera). Euconnus boavistensis O'Keefe, new name, for E. boavistae Franz, 1994; E. amazonas O'Keefe, new name, for E. beckianus Franz, 1994; E. ranchograndensis O'Keefe, new name, for E. scydmaenoides Franz, 1989; E. ranchoensis O'Keefe, new name, for E. ranchoi Franz, 1989; E. araguaensis O'Keefe, new name, for E. araguai Franz, 1989; E. paramaracayanus O'Keefe, new name, for E. maracayanus Franz, 1989; E. manaus O'Keefe, new name, for E. anophthalmus Franz, 1980; E. jamaicaensis O'Keefe, new name, for E. filicorum Franz, 1980; E. lasabejas O'Keefe, new name, for E. lanceolatus Franz, 1991; E. huijbregtsi O'Keefe, new name, for E. tenuicornis Franz, 1985; E. boliviensis O'Keefe, new name, for E. schauffusianus Franz, 1993; E. janauari O'Keefe, new name, for E. macrops Franz, 1980; E. vestitus Reitter and Croissandeau, 1890, new status, for E. globiceps Franz, 1980; E. hakgalensis O'Keefe, new name, for E. paludicola Franz, 1982; E. birgary O'Keefe, new name, for E. lothari Franz, 1974; E. mullaittivuanus O'Keefe, new name, for E. ludificans Franz, 1982; E. andranomandery O'Keefe, new name, for E. angustus Franz, 1986; E. heissi O'Keefe, new name, for E. abnormeantennatus Franz, 1987; E. imperfectus O'Keefe, new name, for E. incompletus Franz, 1977; E. kinabaluensis O'Keefe, new name, for E. fraudulentus Franz, 1992; and E. arthuri O'Keefe, new name, for E. pilosicollis (Lea), 1915 are proposed. Scydmaenus paranus Franz 1994 is considered to be the same species as S. paranus Franz 1993. These corrections are proposed here so they can be included in a catalog of New World Scydmaenidae.