• Lasophorus Chatzaki, 2018
• Ligophorus Euzet & Suriano, 1977
• Loboparius Schmidt, 1914
• Lobophora Audinet-Serville, 1838 accepted as Chelisoches Scudder, 1876 [Family: Chelisochidae]
• Lobophora Curtis, 1825 [Family: Geometridae]
• Lobophora Gray, 1840 (unaccepted > nomen nudum) [Family: Astriclypeidae]
• Lobophora J.G. Agardh, 1894 [Family: Dictyotaceae]
• Lobophora L. Agassiz, 1841 accepted as Echinodiscus Leske, 1778 [Family: Astriclypeidae]
• Lobophora Turner, 1946 accepted as Enveryucelia Koçak, 1981 [Family: Tortricidae]
• Lobophrys Filhol, 1885 accepted as Paramithrax H. Milne Edwards, 1834
• Lobopterus Gorjanovic-Kramberger, 1895 †
• Lomaphorus Ameghino, 1889 † [Family: Glyptodontidae]
• Lomaphorus Manter, 1934 accepted as Lomasoma Manter, 1935 [Family: Fellodistomidae]
• Loncophorus Chevrolat, 1832 [Family: Curculionidae]
• Loncophorus Cotteau in Orbigny, 1885 † (uncertain) [Family: Echinodermata (awaiting allocation)]
• Loncophorus Laporte, 1840 (unaccepted) [Family: Scarabaeidae]
• Loncophorus Studer, 1881 accepted as Nacospatangus A. Agassiz, 1873 [Family: Spatangidae]
• Lophophorus Agassiz, 1846 (unaccepted) [Family: Aves (awaiting allocation)]
• Lophophorus Brady, 1878 accepted as Pterinopsyllus Brady, 1880 [Family: Cyclopinidae]
• Lophophorus Temminck, 1813 [Family: Phasianidae]
• Lophorus Vigors, 1829 (unaccepted)
• Loxoporus Jeffreys, 1883
• Lycophorus Staudinger in Staudinger & Rebel, 1901
• Lyrophorus Chaudoir in d'Orbigny, 1846 accepted as Platynus Bonelli, 1810