| Aemymone crenata Champion, 1893 |
| Aesymnus Champion, 1886 |
| Aesymnus nitidus Champion, 1886 |
| Akidini Billberg, 1820 |
| Akis Herbst, 1799 |
| Akis muricata Say, 1824 |
| Alaetrinus Iwan, 1995 |
| Alaetrinus aciculatus (LeConte, 1858) |
| Alaetrinus moestus (Mulsant & Rey, 1853) |
| Alaetrinus pullus (Sahlberg, 1823) |
| Alaudes Horn, 1870 |
| Alaudes setigera Blaisdell, 1919 |
| Alaudes singularis Horn, 1870 |
| Alaudes vizcainensis Aalbu, Caterino & Smith, 2018 |
| Alegoria Laporte, 1840 |
| Alegoria dilatata Laporte, 1840 |
| Alegoria sallaei Champion, 1886 |
| Alegoria sallei Bates, 1873 |
| Alethia Champion, 1888 |
| Alethia azteca Champion, 1888 |