Brown bat may refer to:
![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/33/Little_Brown_Bat_FWS.jpg/220px-Little_Brown_Bat_FWS.jpg)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/5/55/Big_brown_bat.jpg/220px-Big_brown_bat.jpg)
- Little brown bat, Myotis lucifugus, one of the most common bats of North America
- Big brown bat, Eptesicus fuscus, native to North America, Central America, the Caribbean, and extreme northern South America
- Argentine brown bat, (Eptesicus furinalis), a bat species from South and Central America.
- Brown tent-making bat, (Uroderma magnirostrum), a bat species from South and Central America.