Cognomen Portar (Porter 
, Portar 
) , across the world, is a widespread family name. The last name Portar is characteristic of Isle of Man, where it is quite a common surname, Jamaica, and Marshall Islands (explore the name in all countries). Measured by absolute frequency, this name is the most popular in the United States, the United Kingdom, and Australia. Very seldom, Portar is the forename as well as the last name.