Siberut flying squirrel

{{Short description|Species of rodent}}

{{Speciesbox

| image =

| status = VU

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Clayton, E. |author2=Kennerley, R. |date=2016 |title=Petinomys lugens |volume=2016 |page=e.T16737A22242011 |doi=10.2305/IUCN.UK.2016-2.RLTS.T16737A22242011.en |access-date=11 November 2021}}

| genus = Petinomys

| species = lugens

| authority = (Thomas, 1895)

| synonyms =

}}

The Siberut flying squirrel (Petinomys lugens) is a species of rodent in the family Sciuridae. It is endemic to Indonesia. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.