Cognomen Rivak (Rivak 
) , throughout the world, is a very rare family name. The last name Rivak is habitual in Argentina, where it is an extremely rare surname, Ukraine, and India. Not in comparison with a country's population, it most frequently occurs in India, the United States, and Argentina. Much more prevalently, Rivak is the forename as well as the last name.
Na, Iyana, Yadav, Siawesh, Solank, Spivak, Albazi, Cauhan, Kalfus, Pancal, Rathod, Tadavi, Thakar, Vaghel, Itavar, Makavan, Mekavan, Solanki, Paramar, Talapad, Erasmus, Hoffman, Vasav, Hanna, Gohel, Gamit, Bai, Sama, Saha, Shah, Soni, Rana, Dava, Josi, Vama, Yasa, Vanakar, Mahad, Samar, Solam, Asari, Cavad, Bunce, Patal, Patel, Pande, Damor, Dabhi, Mahet, and Prajapit