Family name פלאט (Platt 
, Felat 
, פלאט 
) , across the world, is a common cognomen. The cognomen פלאט is habitual in Namibia, where it is quite a common surname, Guernsey, and Isle of Man (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Australia. Very seldom, פלאט is the forename as well as the last name.