Oligoryzomys andinus- Oligoryzomys arenalis
- Oligoryzomys chacoensis
- Oligoryzomys delicatus
- Oligoryzomys delticola
- Oligoryzomys destructor
- Oligoryzomys eliurus
- Oligoryzomys flavescens
- Oligoryzomys fornesi
- Oligoryzomys fulvescens
- Oligoryzomys griseolus
- Oligoryzomys longicaudatus
- Oligoryzomys magellanicus
- Oligoryzomys messorius
- Oligoryzomys microtis
- Oligoryzomys nigripes
- Oligoryzomys stramineus
- Oligoryzomys utiaritensis
- Oligoryzomys vegetus
- Oligoryzomys victus