Leptuca beebei, commonly known as Beebe's fiddler crab, is a species of fiddler crab native to the Pacific coasts of Central and South America, from El Salvador to northern Peru.
Previously a member of the genus Uca, the species was transferred in 2016 to the genus Leptuca when Leptuca was promoted from subgenus to genus level.
This is a small crab with an adult carapace width of approximately .
The species can be found on open muddy sand flats in tropical regions.