Chestnut-backed jewel-babbler
{{Short description|Species of bird}}
{{speciesbox
| name = Chestnut-backed jewel-babbler
| image = Eupetes castanonotus - The Birds of New Guinea (cropped).jpg
| status = LC
| status_system = IUCN3.1
| genus = Ptilorrhoa
| species = castanonota
| authority = (Salvadori, 1876)
| synonyms =
}}
The chestnut-backed jewel-babbler (Ptilorrhoa castanonota) is a species of bird in the family Cinclosomatidae.
It lives in New Guinea.
Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.