Alfa Romeo 33 is a small family car produced between 1985 and 1995.
Alfa Romeo 33 may refer to:
- Alfa Romeo Tipo 33, a sports car racing prototype used from 1968 to 1977
- Alfa Romeo 33 Stradale, a rare road going version of the race car, built in 1967
- Alfa Romeo 33 Stradale (2023), a gas-powered or electric sports car produced in 2023