| Philonthus jalapensis Bernhauer, 1910 |
| Philonthus laetipennis Sharp, 1885 |
| Philonthus laeviventris Schubert, 1909 |
| Philonthus lecontei Horn, 1884 |
| Philonthus lithocharinus LeConte, 1863 |
| Philonthus longicornis Stephens, 1832 |
| Philonthus longipennis Provancher, 1877 |
| Philonthus ludricus Erichson, 1840 |
| Philonthus macilentus Sharp, 1885 |
| Philonthus mandibularis Kirby, 1837 |
| Philonthus melampus Smetana, 1991 |
| Philonthus melancholicus Sharp, 1885 |
| Philonthus melanopus Sharp, 1885 |
| Philonthus mexicanus Sharp, 1876 |
| Philonthus misellus Sharp, 1885 |
| Philonthus mnemon Smetana, 1995 |
| Philonthus morosus Casey, 1915 |
| Philonthus nanus Melsheimer, 1844 |
| Philonthus nanus var. palleolus Melsheimer, 1844 |
| Philonthus niger Melsheimer, 1844 |