• Monoetia Paetel, 1890 (unaccepted)
• Monoleaia Miroshnichenko, 1956 † (uncertain)
• Monolena Triana ex Bentham & J.D. Hooker, 1867
• Monolene Goode, 1880
• Monolepis H.A. Schrader, 1831 [Family: Amaranthaceae]
• Monolepis Say, 1817 accepted as Ocypode Weber, 1795 [Family: Ocypodidae]
• Monolepta Chevrolat in Dejean, 1836
• Monoletes A.C. Ibrahim ex J.M. Schopf, L.R. Wilson & R. Bentall, 1944 †
• Monoletes T. van der Hammen, 1954 † (unaccepted)
• Monolexis Förster, 1862
• Monopletis accepted as Monopeltis Smith, 1848