| Pseudomyrmex obnubila (Menozzi, 1927) |
| Pseudomyrmex oculatus (Smith, 1855) |
| Pseudomyrmex oki (Forel, 1906) |
| Pseudomyrmex opaciceps Ward, 1993 |
| Pseudomyrmex opacior (Forel, 1904) |
| Pseudomyrmex osurus (Forel, 1911) |
| Pseudomyrmex pallens (Mayr, 1870) |
| Pseudomyrmex pallidus (Smith, 1855) |
| Pseudomyrmex panamensis (Forel, 1899) |
| Pseudomyrmex peperi (Forel, 1913) |
| Pseudomyrmex perboscii (Guérin-Meneville, 1844) |
| Pseudomyrmex pilosula (Smith, 1877) |
| Pseudomyrmex pulchella (Forel, 1899) |
| Pseudomyrmex pupa (Forel, 1911) |
| Pseudomyrmex ruida Roger, 1860 |
| Pseudomyrmex salvini (Forel, 1899) |
| Pseudomyrmex sapii (Forel, 1904) |
| Pseudomyrmex satanicus (Wheeler, 1942) |
| Pseudomyrmex satanicus var. saffordi (Enzmann, 1944) |
| Pseudomyrmex seminole Ward, 1985 |