Surname Mstf (Mstf 
, مستف, مصتف) , across the world, is a rare family name. The cognomen Mstf is characteristic of Morocco, where it is a rare surname, Algeria, and Singapore, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Morocco, Algeria, and Indonesia. Likewise, Mstf is the forename as well as the last name.