Cognomen Vaiciunas (Vaiciunas 
) , in the entire world, is a rare surname. The family name Vaiciunas is habitual in Northern Europe, particularly Lithuania, where it is quite a common surname, Ireland, where it is a rare surname, and Norway. Measured by absolute frequency, it is the most numerous in Lithuania, the United States, and Brazil.
Mr, Bryan, Karla, Peter, Darus, Diane, Linas, Lidia, Lukas, Jonas, Tadas, Tomas, Nancy, Nitza, Elena, Vidis, Ignas, Mariah, Marina, Marius, Mantas, Silvio, Aidas, Stasys, Agnis, Anele, Ms, Ina, Mike, Anna, Ruth, Lisa, Jane, Jose, John, Egle, Ieva, Zita, Maria, Matas, Mikal, Simas, Sueli, Stase, Aline, Algis, Andre, Arnas, and Alicia