Surname Mástil (Mast 
, Mástil) , worldwide, is a common cognomen. The surname Mástil is habitual in Western Europe, particularly Netherlands, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Germany. Not in comparison with a country's population, it is commonest in the United States, Germany, and Netherlands. Likewise, Mástil is the forename as well as the last name.