List of largest rodents
This is a list of the largest rodents.
| Rank | Common name | Scientific name | Status | Maximum body mass | Image | Notes |
| 1 | Josephoartigasia monesi | Fossil | ||||
| 2 | Phoberomys pattersoni | Fossil | ||||
| 3 | Greater capybara | Hydrochoerus hydrochaeris | Extant | |||
| 4 | North American beaver | Castor canadensis | Extant | |||
| 5 | Lesser capybara | Hydrochoerus isthmius | Extant | |||
| 6 | Eurasian beaver | Castor fiber | Extant | |||
| 7 | Cape porcupine | Hystrix africaeaustralis | Extant | |||
| 8 | Crested porcupine | Hystrix cristata | Extant | |||
| 9 | North American porcupine | Erethizon dorsatum | Extant | |||
| 10 | Indian crested porcupine | Hystrix indica | Extant | |||
| 11 | Coypu | Myocastor coypus | Extant | |||
| 12 | Patagonian mara | Dolichotis patagonum | Extant | |||
| 13 | Pacarana | Dinomys branickii | Extant | |||
| 14 | Paca | Cuniculus paca | Extant |