Ecuadoran Spiny-backed Frog
Osteocephalus mutabor
- Least concern
- Card rarity: Common
- Amphibians

Osteocephalus mutabor is a species of frogs in the family Hylidae found on the western Andean foothills of Ecuador and south to Ucayali Region of Peru. Before Osteocephalus mutabor was described as a new species in 2002, it was confused with Osteocephalus leprieurii.
Classification
- Class
- Amphibia
- Order
- Anura
- Family
- Hylidae
- Genus
- Osteocephalus