Strongylognathus arnoldii

{{short description|Species of ant}}

{{Speciesbox

| image = Рабочие Strongylognathus arnoldii.jpg

| status = VU

| status_system = IUCN2.3

| status_ref = {{cite iucn |author=Social Insects Specialist Group |date=1996 |title=Strongylognathus arnoldii |volume=1996 |page=e.T20917A9235851 |doi=10.2305/IUCN.UK.1996.RLTS.T20917A9235851.en |access-date=17 November 2021}}

| taxon = Strongylognathus arnoldii

| authority = Radchenko, 1985

}}

Strongylognathus arnoldii is a species of ant in the subfamily Myrmicinae. It is endemic to Russia.