Steatomys is a genus of rodent in the family Nesomyidae. It contains the following species:

• Bocage's African fat mouse (Steatomys bocagei)
• Northwestern fat mouse (Steatomys caurinus)
• Dainty fat mouse (Steatomys cuppedius)
• Jackson's fat mouse (Steatomys jacksoni)
• Krebs's fat mouse (Steatomys krebsii)
• Pousargues African fat mouse (Steatomys opimus)
• Tiny fat mouse (Steatomys parvus)
• Fat mouse (Steatomys pratensis)

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