• Albizia Durazzini, 1772
• Alesia Mulsant in Ferret & Galinier, 1850
• Aliezia Shinde, 1969 accepted as Stilesia Railliet, 1893
• Alinzia Warren, 1889 accepted as Alinza Walker, 1865
• Alpazia Özdikmen & Kury, 2006
• Alycia C.L. von Willdenow ex E.G. von Steudel, 1840 accepted as Eriochloa Kunth in Humboldt, Bonpland & Kunth, 1816
• Alydda Walker, 1862 (uncertain)
• Alymnia Necker ex Spach, 1841 (uncertain)
• Alynda Clarke, 1978
• Alyosia Rondani, 1863 accepted as Comptosia Macquart, 1840
• Alypia Hübner, 1818
• Alysia Cavalcante & Silva in Cavalcante et al., 1972 accepted as Vouauxiella F. Petrak & H. Sydow, 1927 [Family: Ascomycota incertae sedis]
• Alysia Latreille, 1804 [Family: Braconidae]
• Alysia Lowe, 1839 accepted as Gonichthys Gistel, 1850 [Family: Myctophidae]
• Alysina Cockerell, 1913
• Alysis Agassiz, 1846 accepted as Taenia Linnaeus, 1758
• Alyssa Hoffman, 1997 (uncertain)
• Alyxia Banks ex R. Brown, 1810
• Aplozia (Dumortier) Dumortier, 1874 (unaccepted)
• Azazia Walker, 1858
• Clyzia Lioy, 1865 accepted as Clytiomya Rondani, 1861
• Halyzia Mulsant, 1846