- Gender: Male
- Birthday: 1929-09-21 ( 94 years old )
- Place of Birth: Chacarita, Buenos Aires City, Argentina
- Also Known As: Héctor Benjamín Alterio Onorato
Héctor Benjamín Alterio Onorato (born September 21, 1929 in Buenos Aires, Argentina), known as Héctor Alterio, is an Argentine actor who participated in theater, films and series.