Surname Mariaeva (Mariaeva 
, Маряева 
) , throughout the world, is a very rare cognomen. The last name Mariaeva is habitual in Russia, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Ukraine. Not in comparison with a country's population, it is the most numerous in Russia, Mexico, and Venezuela. Likewise, Mariaeva is the forename as well as the last name.