Cognomen טולוי (Tolouei 
, טולוי 
, Tolui 
) , throughout the world, is a rare family name. The family name טולוי is habitual in Iran, where it is a rare surname, Canada, where it is a very rare surname, and Germany, where it is an extremely rare surname. In absolute terms, it is the most numerous in Iran, Germany, and Philippines. Much less frequently, טולוי is the forename as well as the last name.