Last name Stiop (Stiop 
) , worldwide, is a rare surname. The surname Stiop is habitual in Romania, where it is a rare surname, Norway, where it is a very rare surname, and Italy, where it is an extremely rare surname. In absolute terms, this name is the most popular in Romania, Italy, and the United States. Very seldom, Stiop is the forename as well as the last name.