Polia may refer to:
People
- Mario Polia (born 1947), Italian historian, anthropologist, ethnographer and archaeologist
- Polia Pillin (1909–1992), Polish-American ceramist
Places
- Polia, Calabria, Italy
Species
- Polia (moth), genus of moths of the family Noctuidae
- Polia's shrew, species of mammal in the family Soricidae