Pará spiny tree-rat

{{Short description|Species of rodent}}

{{Speciesbox | name = Pará spiny tree rat

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Patton, J. |author2=Percequillo, A. |author3=Catzeflis, F. |date=2016 |title=Mesomys stimulax |volume=2016 |page=e.T13237A22213072 |doi=10.2305/IUCN.UK.2016-2.RLTS.T13237A22213072.en |access-date=12 November 2021}}

| display_parents = 3

| genus = Mesomys

| species = stimulax

| authority = Thomas, 1911

}}

The Pará spiny tree rat (Mesomys stimulax) or Surinam spiny tree rat, is a spiny rat species found in Brazil.