Eumops chiribaya is a species of free-tailed bat found in Peru.

The holotype (an adult female) had a forearm length of 61.1 mm (2.41 in) and a weight of 20.3 g (0.72 oz).

[1] An adult male specimen had a forearm length of 62.1 mm (2.44 in) and a weight of 30.0 g (1.06 oz).

[2] It can be distinguished from other bats in Peru by its lack of a nose-leaf, tail extending beyond the edge of the uropatagium, large antitragus, reduced tragus, ears joined over the forehead, smooth upper lip, and ears longer than 20 mm (0.79 in).

It has been documented in the type locality of El Algarrobal as well as the Ocoña Valley in the Department of Arequipa.