| Helops undatus Fabricius, 1792 |
| Hemasodes Casey, 1907 |
| Hemasodes vestitus (Champion, 1884) |
| Hesiodus Champion, 1885 |
| Hesiodus jansoni Champion, 1885 |
| Hesiodus longitarsis Champion, 1885 |
| Hesiodus sordidus Champion, 1885 |
| Heterasida Casey, 1912 |
| Heterasida bifurcus (LeConte, 1861) |
| Heterasida connivens (LeConte, 1866) |
| Heterasida exilis Casey, 1912 |
| Heterasida tantilla Casey, 1912 |
| Hicetaon Champion, 1885 |
| Hicetaon frontalis Champion, 1885 |
| Hoplocephala Agassiz, 1846 |
| Hoplocephala castanea Bates, 1873 |
| Hoplocephala dytiscoides Chevrolat, 1877 |
| Hoplocephala lateralis Bates, 1873 |
| Hoplocephala lutea Chevrolat, 1878 |
| Hoplocephala oblonga Chevrolat, 1878 |