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 Davy Gui (born 2006), Ivorian footballer 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 Carvalho (born 2002), Brazilian basketball player Gui de Cambrai (), French writer Gui de Cavalhon (), 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 (), 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 Graphical user interface
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
See also Guy (disambiguation)