| Oryzomys melanotis subsp. melanotis Thomas, 1893 |
| Oryzomys melanotis subsp. rostratus Merriam, 1901 |
| Oryzomys melanotis subsp. yucatanensis Merriam, 1901 |
| Oryzomys mexicanus J. A. Allen, 1897 |
| Oryzomys mexicanus subsp. mexicanus J. A. Allen, 1897 |
| Oryzomys mexicanus subsp. peragrus Merriam, 1901 |
| Oryzomys molestus Elliot, 1903 |
| Oryzomys nelsoni Merriam, 1898 |
| Oryzomys palatinus Merriam, 1901 |
| Oryzomys palustris (Harlan, 1837) |
| Oryzomys palustris subsp. albiventer Merriam, 1901 |
| Oryzomys palustris subsp. aquaticus J. A. Allen, 1891 |
| Oryzomys palustris subsp. aztecus Merriam, 1901 |
| Oryzomys palustris subsp. couesi (Alston, 1877) |
| Oryzomys palustris subsp. cozumelae Merriam, 1901 |
| Oryzomys palustris subsp. crinitus Merriam, 1901 |
| Oryzomys palustris subsp. lambi Burt, 1934 |
| Oryzomys palustris subsp. mexicanus J. A. Allen, 1897 |
| Oryzomys palustris subsp. peninsulae Thomas, 1897 |
| Oryzomys palustris subsp. peragrus Merriam, 1901 |