Humboldt big-eared brown bat

{{Short description|Species of bat}}

{{speciesbox

| name = Humboldt big-eared brown bat

| status = DD

| status_system = IUCN3.1

| status_ref={{cite iucn |author=Velazco, P. |author2=Aguirre, L. |date=2016 |title=Histiotus humboldti |volume=2016 |page=e.T29606A22046003 |doi=10.2305/IUCN.UK.2016-2.RLTS.T29606A22046003.en |access-date=17 November 2021}}

| genus = Histiotus

| species = humboldti

| authority = Handley, 1996

| range_map=Distribution of Histiotus humboldti.PNG

| synonyms =

}}

The Humboldt big-eared brown bat (Histiotus humboldti) is a species of vesper bat in the family Vespertilionidae. It is found in Colombia and Venezuela.

Histiotus humboldti is distributed in the subtropical forests of the eastern foothills of the mountains outside the Ecuadorian Andes, between {{convert|800|and|2000|m}} in the eastern subtropical zoogeographical floor, unlike Histiotus montanus which is recorded at higher altitudes of {{convert|1800|and|4000|m}}.Albuja et al. 1980{{full|date=November 2022}}