Constance of Sicily (Hauteville family), Queen of Sicily, was the ruler of Sicily from 1194 until her death in 1198, mother of Frederick I of Sicily.
Constance of Sicily may also refer to:
- Constance of Sicily, Queen of Italy, died 1138
- Constance of Sicily, Queen of Aragon, (1249–1302)
- Constance of Sicily, Queen of Cyprus, (1304–1344)
- Constance of Sicily, Regent of Sicily, (1324–1355)