Surname Гийо (Guillo 
, Guillot 
, Гийо 
) , around the globe, is a common last name. The last name Гийо is characteristic of France, where it is quite a common surname, Guadeloupe, and Luxembourg, where it is quite a rare surname. Measured by absolute frequency, the name is most common in France, the United States, and Spain. Much less frequently, Гийо is the forename as well as the last name.