Cognomen Ramuth (Ramuth 
) , worldwide, is a very rare last name. The cognomen Ramuth is characteristic of Brazil, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. Not in comparison with a country's population, it is commonest in Brazil, India, and the United Kingdom. Very seldom, Ramuth is the forename as well as the last name.