Egg-eating Spiny-backed Frog
Osteocephalus oophagus
- Least concern
- Card rarity: Common
- Amphibians

Osteocephalus oophagus is a species of frog in the family Hylidae found in Brazil, Colombia, French Guiana, Guyana, and possibly Suriname. Its natural habitat is subtropical or tropical moist lowland forests. It is also reported to produce bufotenin.
Classification
- Class
- Amphibia
- Order
- Anura
- Family
- Hylidae
- Genus
- Osteocephalus