Gus is a masculine name that can be a diminutive for several names, including:
- Chreigusta
- Angus
- August
- Augustine
- Augustus
- Aengus
- Argus
- Fergus
- Ghassan
- Gustav
- Gustave
- Gustafson
- Gustavo
- Gussie
It is worth noting that Gus has often been used in the Greek community as an anglicization of Kostas, a short form of Konstantinos.