• Hypistis Werner, 1929 (unaccepted)
• Hypoaspis Berlese, 1903 (uncertain) [Family: Arachnida (awaiting allocation)]
• Hypoaspis Canestrini, 1884 [Family: Laelapidae]
• Hypocistis P. Miller, 1754 (unaccepted)
• Hypocystis Clessin, 1887 (uncertain)
• Hypocytis Ortmann, 1890
• Hypodesis Latreille, 1834
• Hypoestes Solander ex R. Brown, 1810
• Hypolestes Gundlach, 1888
• Hypolitis Hargitt, 1901 accepted as Hypolytus Murbach, 1899 accepted as Euphysa Forbes, 1848
• Hypopeltis A. Michaux, 1803 accepted as Polystichum A.W. Roth, 1799
• Hypopsis Guérin-Méneville, 1840
• Hypoxestia Hampson, 1903 (uncertain)
• Hypoxestus Loman, 1902
• Hypoxystis Prout in Seitz, ? 1915
• Hyppeutis Agassiz in Charpentier, 1837 accepted as Hippeutis Charpentier, 1837