Atlantic Forest Dwarf Frog
Physalaemus olfersii
- Least concern
- Card rarity: Common
- Amphibians

Physalaemus olfersii is a species of frog in the family Leptodactylidae. It is endemic to southeastern Brazil and is known from Espírito Santo, southeastern Minas Gerais, and São Paulo states. Records further south refer to Physalaemus lateristriga, which was restored from the synonymy of Physalaemus olfersii in 2010. The common name Atlantic Forest dwarf frog has been proposed for this species.
Classification
- Class
- Amphibia
- Order
- Anura
- Family
- Leptodactylidae
- Genus
- Physalaemus