| Sigmodon hispidus subsp. inexoratus Elliot, 1903 |
| Sigmodon hispidus subsp. ischyrus Goodwin, 1956 |
| Sigmodon hispidus subsp. jacksoni Goldman, 1918 |
| Sigmodon hispidus subsp. major Bailey, 1902 |
| Sigmodon hispidus subsp. mascotensis J. A. Allen, 1897 |
| Sigmodon hispidus subsp. microdon (Bailey, 1902) |
| Sigmodon hispidus subsp. obvelatus Russell, 1952 |
| Sigmodon hispidus subsp. pallidus Mearns, 1897 |
| Sigmodon hispidus subsp. plenus Goldman, 1928 |
| Sigmodon hispidus subsp. saturatus (Bailey, 1902) |
| Sigmodon hispidus subsp. solus Hall, 1951 |
| Sigmodon hispidus subsp. toltecus (Saussure, 1860) |
| Sigmodon hispidus subsp. tonalensis Bailey, 1902 |
| Sigmodon leucotis Bailey, 1902 |
| Sigmodon leucotis subsp. alticola R. H. Baker, 1969 |
| Sigmodon leucotis subsp. leucotis Bailey, 1902 |
| Sigmodon macdougalli Goodwin, 1955 |
| Sigmodon macrodon Goodwin, 1955 |
| Sigmodon mascotensis J. A. Allen, 1897 |
| Sigmodon mascotensis subsp. inexoratus Elliot, 1903 |