Gigas can mean one of the following things:
Ships
- SSJ Gigas, the Shivan superjuggernaut in Inferno Classic
- SSJ Gigas (old), a ship model
- SSJ Anathema, the Shivan superjuggernaut in Inferno
Missions
- Gigas (Inferno Classic), the 14th mission of Inferno Classic
- Gigas (Inferno), the 36th mission of Inferno, a 2026 remake of the Inferno Classic mission