Ferreira's Spiny Tree Rat
Mesomys hispidus
- Least concern
- Card rarity: Common
- Mammals

Ferreira's spiny tree-rat is a spiny rat species found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname and Venezuela. The etymology of the species name corresponds to the Latin word hispidus meaning bristly.
Classification
- Class
- Mammalia
- Order
- Rodentia
- Family
- Echimyidae
- Genus
- Mesomys