• Oryza Linnaeus, 1753
• Oryza australiensis RIRE1 virus
• Oryza barthii A. Chev.
• Oryza breviligulata A. Chev. & Roehr. accepted as Oryza barthii A. Chev.
• Oryza glaberrima Steudel
• Oryza latifolia Desv.
• Oryza longistaminata A. Chev. & Roehr.
• Oryza longistaminata Retrofit virus
• Oryza punctata Kotzchy ex Steud.
• Oryza rufipogon Griffiths
• Oryza rufipogon endornavirus
• Oryza sativa Linnaeus
• Oryza sativa endornavirus
• Oryzaephilus Ganglbauer, 1899
• Oryzaephilus abeillei (Guillebeau, 1890)
• Oryzaephilus acuminatus Halstead, 1980
• Oryzaephilus breuningi Halstead, 1980
• Oryzaephilus canus Halstead, 1980
• Oryzaephilus cuneatus Halstead, 1997
• Oryzaephilus decellei Halstead, 1980
• Oryzaephilus exiguus Halstead, 1980
• Oryzaephilus fauveli (Reitter, 1890)
• Oryzaephilus genalis Halstead, 1980
• Oryzaephilus gibbosus Aitken, 1965
• Oryzaephilus maximus Grouvelle, 1912 accepted as Pseudonausibius maximus (Grouvelle, 1912)
• Oryzaephilus mercator (Fauvel, 1889)
• Oryzaephilus mucronatus Halstead, 1997
• Oryzaephilus parallelus Halstead, 1980
• Oryzaephilus serratus Halstead, 1980
• Oryzaephilus surinamensis (Linnaeus, 1758)
• Oryzahumus accepted as Oryzihumus Kageyama et al., 2005
• Oryzaria Agassiz, 1846 (unaccepted) [Class: Protozoa (awaiting allocation)]
• Oryzaria Defrance, 1825 † accepted as Alveolina d'Orbigny, 1826 † [Class: Tubothalamea]
• Oryzavirus