| Oryzomys couesi (Alston, 1877) |
| Oryzomys couesi subsp. albiventer Merriam, 1901 |
| Oryzomys couesi subsp. aquaticus J. A. Allen, 1891 |
| Oryzomys couesi subsp. aztecus Merriam, 1901 |
| Oryzomys couesi subsp. couesi (Alston, 1877) |
| Oryzomys couesi subsp. cozumelae Merriam, 1901 |
| Oryzomys couesi subsp. crinitus Merriam, 1901 |
| Oryzomys couesi subsp. fulgens Thomas, 1893 |
| Oryzomys couesi subsp. lambi Burt, 1934 |
| Oryzomys couesi subsp. mexicanus J. A. Allen, 1897 |
| Oryzomys couesi subsp. peninsulae Thomas, 1897 |
| Oryzomys couesi subsp. peragrus Merriam, 1901 |
| Oryzomys couesi subsp. regillus Goldman, 1915 |
| Oryzomys couesi subsp. zygomaticus Merriam, 1901 |
| Oryzomys cozumelae Merriam, 1901 |
| Oryzomys crinitus Merriam, 1901 |
| Oryzomys crinitus subsp. aztecus Merriam, 1901 |
| Oryzomys crinitus subsp. crinitus Merriam, 1901 |
| Oryzomys fulgens Thomas, 1893 |
| Oryzomys fulgens subsp. aztecus Merriam, 1901 |