Last name Souy (Souy 
, เปรี้ยว) , worldwide, is a rare surname. The cognomen Souy is habitual in Austria, where it is a rare surname, France, where it is a very rare surname, and Morocco. Not in comparison with a country's population, it is commonest in France, Myanmar, and Austria. Likewise, Souy is the forename as well as the last name.