Porzio
Porzio or Portius is the family name of the following people:
- Alfredo Porzio (1900–1976), Argentine boxer and boxing promoter
- Camillo Porzio (also Camillus Portius ; 1526–1580), Italian historian
- Francesco Porzio (* 1966), Italian water polo player
- Giuseppe Porzio (* 1967), Italian water polo player
- Lorenzo Porzio (* 1981), Italian organist and rower
- Simon Portius (philosopher) (also Simone Porzio ; 1496–1554), Italian philosopher
- Simon Portius (grammarian) (also Simone Porzio ), Greek grammarian