| Oryzomys alfaroi subsp. caudatus Merriam, 1901 |
| Oryzomys alfaroi subsp. chapmani Thomas, 1898 |
| Oryzomys alfaroi subsp. dilutior Merriam, 1901 |
| Oryzomys alfaroi subsp. gloriaensis Goodwin, 1956 |
| Oryzomys alfaroi subsp. guerrerensis Goldman, 1915 |
| Oryzomys alfaroi subsp. huastecae Dalquest, 1951 |
| Oryzomys alfaroi subsp. hylocetes Merriam, 1901 |
| Oryzomys alfaroi subsp. palatinus Merriam, 1901 |
| Oryzomys alfaroi subsp. saturatior Merriam, 1901 |
| Oryzomys angusticeps Merriam, 1901 |
| Oryzomys aquaticus J. A. Allen, 1891 |
| Oryzomys bulleri J. A. Allen, 1897 |
| Oryzomys caudatus (Merriam, 1901) |
| Oryzomys chapmani Thomas, 1898 |
| Oryzomys chapmani subsp. caudatus Merriam, 1901 |
| Oryzomys chapmani subsp. chapmani Thomas, 1898 |
| Oryzomys chapmani subsp. dilutior Merriam, 1901 |
| Oryzomys chapmani subsp. guerrerensis Goldman, 1915 |
| Oryzomys chapmani subsp. huastecae Dalquest, 1951 |
| Oryzomys chapmani subsp. saturatior Merriam, 1901 |