Small-toothed harvest mouse

{{Short description|Species of rodent}}

{{speciesbox

| status = LC | status_system = IUCN3.1

| status_ref = {{cite iucn |author=Reid, F. |author2=Vázquez, E. |date=2016 |title=Reithrodontomys microdon |volume=2016 |page=e.T19412A22386904 |doi=10.2305/IUCN.UK.2016-2.RLTS.T19412A22386904.en |access-date=16 November 2021}}

| genus = Reithrodontomys

| species = microdon

| authority = Merriam, 1901

| synonyms =

}}

The small-toothed harvest mouse (Reithrodontomys microdon) is a species of rodent in the family Cricetidae.

It is found in Guatemala and Mexico.