Bartels's rat

{{Short description|Species of rodent}}

{{Speciesbox

| name = Bartels's rat

| status = VU

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Kennerley, R. |date=2019 |title=Sundamys maxi |volume=2019 |page=e.T21151A22397529 |doi=10.2305/IUCN.UK.2019-1.RLTS.T21151A22397529.en |access-date=12 November 2021}}

| genus = Sundamys

| species = maxi

| authority = (Sody, 1932)

| range_map = Sundamys maxi distribution.png

| synonyms =

}}

Bartels's rat (Sundamys maxi) is a species of rodent in the family Muridae.

It is found only in West Java, Indonesia, including in Gunung Gede Pangrango National Park.