Last name Gueil (Gueil 
, Гейл 
, Гейль 
) , globally, is a rare cognomen. The cognomen Gueil is habitual in Kazakhstan, where it is a rare surname, Belarus, and Russia, where it is a very rare surname. In absolute terms, this name is the most popular in Russia, Kazakhstan, and Ukraine. Also, Gueil is the forename as well as the last name.