Around the world, Kareiva (Kareiva 
) is an extremely rare unknown gender given name. Predominantly, Kareiva is the last name as well as the forename.
Mr, Austin, Celina, Pamela, Pranas, Ronald, Regina, Darius, Dillon, Donald, Janina, Elaine, Emilis, Vilius, Victor, Saulius, Simonas, Stephen, Alberto, Anthony, Arturas, Aivaras, Arlene, Stevie, Sergio, Sherry, Sue, Ron, Ona, Alan, Paul, Joan, Nedd, Chris, Carol, Karen, Brandon, Keith, Ruben, Linda, Tadas, Tomas, Elise, Holly, Isaac, Mantas, Sharon, Shawna, Peter, and Kestutis