Cognomen Гуи (Gouy 
, Гуи 
, Gouix ) , globally, is quite a rare surname. The family name Гуи is habitual in Isle of Man, where it is quite a rare surname, France, and Belgium, where it is a rare surname. In absolute terms, the name is most common in France, Belgium, and Brazil. Very seldom, Гуи is the forename as well as the last name.