Gigas can mean one of the following things:
Ships
- SSJ Gigas, the Shivan superjuggernaut in Inferno Classic
- SSJ Gigas (old), a ship model
Missions
- Gigas (Inferno Classic), the 14th mission of Inferno Classic
- Gigas (Inferno), Mission 36 of Inferno, a remake of the Inferno Classic mission