Cisy
Cisy may refer to the following places in Poland:
- Cisy, Podlaskie Voivodeship (north-east Poland)
 - Cisy, Bytów County in Pomeranian Voivodeship (north Poland)
 - Cisy, Malbork County in Pomeranian Voivodeship (north Poland)
 - Cisy, Warmian-Masurian Voivodeship (north Poland)