Nicknames for Guinness
12 nicknames, sorted by where they actually get used.
Office-safe
Guin
formal
Ess
formal
Playground-friendly
Gui
casual
Guiny
casual
Guinie
casual
Guinn
casual
Guinny
casual
Guinnie
casual
Essy
casual
Essie
casual
Guy
casual
Guie
casual
Guinness carries 12 common short forms — Gui, Guin, and Guiny. The list splits into 2 office-safe picks and 10 playground-friendly options so you can match the moment.