Throughout the world, Bikulcius (Bikulcius 
) is an extremely rare unknown gender first name. Much more frequently, Bikulcius is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Bikulcius | Canada, Brazil, Lithuania, United States, United Kingdom |
Mr, Joseph, Jeanne, Justas, Thelma, Thelmo, Thiago, Nijole, Edward, Edmund, Eugene, Victor, Yvonne, Marcelo, Marlene, Manuela, Arvydas, Adrijus, Claudia, Bronius, Kathryn, Ramunas, Darius, Daniel, Renata, Barney, Ann, Kaua, Rosa, Rose, Luis, Jair, John, Marly, Sarah, Simon, Raymond, Brian, Karen, Katie, Keena, Tomas, Erika, Miguel, Samara, Andrew, Amanda, Clovis, Bruno, and Dovydas