Oligoryzomys é um gênero de roedores da família Cricetidae.
Espécies Oligoryzomys andinus (Osgood, 1914) Oligoryzomys arenalis (Thomas, 1913) Oligoryzomys brendae Massoia, 1998 Oligoryzomys chacoensis (Myers & Carleton, 1981) Oligoryzomys delticola (Thomas, 1917) Oligoryzomys destructor (Tschudi, 1844) Oligoryzomys eliurus (Wagner, 1845) Oligoryzomys flavescens (Waterhouse, 1837) Oligoryzomys fornesi (Massoia, 1973) Oligoryzomys fulvescens (Saussure, 1860) Oligoryzomys griseolus (Osgood, 1912) Oligoryzomys longicaudatus (Bennett, 1832) Oligoryzomys magellanicus (Bennett, 1836) Oligoryzomys microtis (J. A. Allen, 1916) Oligoryzomys moojeni Weksler & Bonvicino, 2005 Oligoryzomys nigripes (Olfers, 1818) Oligoryzomys rupestris Weksler & Bonvicino, 2005 Oligoryzomys stramineus Bonvicino & Weksler, 1998 Oligoryzomys vegetus (Bangs, 1902) Oligoryzomys victus (Thomas, 1898)
MUSSER, G. G.; CARLETON, M. D. Superfamily Muroidea. In: WILSON, D. E.; REEDER, D. M. (Eds.). Mammal Species of the World: A Taxonomic and Geographic Reference. 3. ed. Baltimore: Johns Hopkins University Press, 2005. v. 2, p. 894-1531. WEKSLER, M., BONVICINO, C. R. (2005). Taxonomy of pygmy rice rats genus Oligoryzomys Bangs, 1900 (Rodentia, Sigmodontinae) of the Brazilian Cerrado, with the description of two new species. Arquivos do Museu Nacional, Rio de Janeiro 63 (1), 113-130.