Smolnica may refer to:
Smolnica, Szamotuły County in Greater Poland Voivodeship (west-central Poland) Smolnica, Hajnówka County in Podlaskie Voivodeship (north-east Poland) Smolnica, Suwałki County in Podlaskie Voivodeship (north-east Poland) Smolnica, Złotów County in Greater Poland Voivodeship (west-central Poland) Smolnica, Silesian Voivodeship (south Poland) Smolnica, West Pomeranian Voivodeship (north-west Poland)