Surname קוויאט (Kviat 
, קוויאט ) , all around the world, is a very rare cognomen. The family name קוויאט is characteristic of Israel, where it is a rare surname, Estonia, and Mexico, where it is a very rare surname. Measured by absolute frequency, it is commonest in Mexico, Israel, and the United States. Much less frequently, קוויאט is the forename as well as the last name.