Cognomen Melgui (Melgui 
, Мельгуй 
) , around the globe, is a rare surname. The last name Melgui is habitual in Belarus, where it is quite a rare surname, Georgia, where it is a very rare surname, and Russia. In absolute terms, this name is the most popular in Belarus, Russia, and Honduras. Very seldom, Melgui is the forename as well as the last name.