Stygobromus onondagaensis

{{Short description|Species of crustacean}}

{{Speciesbox

| image =

| status = VU

| status_system = IUCN3.1

| status_ref = {{Cite iucn|author=Inland Water Crustacean Specialist Group|year= 1996 |title= Stygobromus onondagaensis |page= e.T21001A9242993 |doi=10.2305/IUCN.UK.1996.RLTS.T21001A9242993.en|access-date=2017-09-04}}

| status2 = G3

| status2_system = TNC

| status2_ref = {{cite web |title=Stygobromus onondagaensis |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.107366/Stygobromus_onondagaensis |website=NatureServe Explorer An online encyclopedia of life |version=7.1|publisher=NatureServe |access-date=18 March 2023 |language=en}}

| genus = Stygobromus

| species = onondagaensis

| authority = (Hubricht & Mackin, 1940)

}}

Stygobromus onondagaensis, commonly called Onondaga Cave amphipod, is a troglomorphic species of amphipod in the Crangonyctidae family. It is native to Arkansas, Kansas, Missouri and Oklahoma in the United States.