Chestnut Sac-winged Bat
Cormura brevirostris
- Least concern
- Card rarity: Common
- Mammals

The chestnut sac-winged bat, or Wagner's sac-winged bat is a species of sac-winged bat native to South and Central America. It is the only species within its genus.
Classification
- Class
- Mammalia
- Order
- Chiroptera
- Family
- Emballonuridae
- Genus
- Cormura