Popilnja (disambiguation)
Popilnja (Ukrainian Попільня ; Russian Попельня / Popelnja ) is the name of localities in Ukraine.
- Popilnja ; Urban-type settlement in Popilnya district
- Popilnja (Popilnja) ; Village in Popilnya Raion
- Popilnja (Snowsk) ; Village in Snovsk Raion
