Gui or GUI may refer to:
People
Surname
- Gui (surname), an ancient Chinese surname, xing
- Bernard Gui (1261 or 1262–1331), inquisitor of the Dominican Order
- Luigi Gui (1914–2010), Italian politician
- Gui Minhai (born 1964), Chinese–born Swedish scholar and publisher
- Vittorio Gui (1885–1975), Italian composer
Given name
- Gui Bonsiepe (born 1934), German designer and academic
- Gui Boratto (born 1974), Brazilian musician
- Gui Brandao (born 1988), Brazilian footballer
- Gui Carvalho (born 2002), Brazilian basketball player
- Gui de Cambrai (fl. 1190–1220), French writer
- Gui de Cavalhon (fl. 1200–1229), Provençal nobleman
- Gui Guerrejat (died 1178), Occitan noble
- Gui de Maillesec (died 1412), French bishop and cardinal
- Gui Mallon (born 1953), Brazilian composer
- Gui Rochat (born 1933), American art dealer
- Gui d'Ussel (fl. 1195–1209), French troubadour
Places
- Guangxi, abbreviated in Chinese as Guì (桂), a province of China
- Guizhou, abbreviated in Chinese as Guì (贵), a province of China
- Gui, Burkina Faso
- Gui Prefecture (disambiguation)
- Gui River, in China
- Guinea, IOC country code GUI
Technology
Other uses
- Gui (food), Korean grilled dishes
- Gui (vessel), a type of ancient Chinese ritual vessel
- Ghosts in Chinese culture (鬼)
- Golfing Union of Ireland
- Guide Bridge railway station, England
- Güiria Airport, Venezuela