Surname Fivat (Fivat 
) , throughout the world, is a very rare cognomen. The last name Fivat is habitual in Switzerland, where it is a very rare surname, Germany, and Spain, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Germany, Switzerland, and the United States. Very seldom, Fivat is the forename as well as the last name.