Family name Bertko (Bertko 
) , all over the world, is a rare cognomen. The cognomen Bertko is characteristic of Germany, where it is a rare surname, Australia, where it is a very rare surname, and France. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and France.
| VARIANT | COUNTRY |
|---|---|
| Bertko | Germany, France, United States, Australia |
|
kathleen bertko American rower, US (b. 1983) |
|
| gerd bertko DE (b. 1955) |
|
|
| andré bertko badminton player, DE (b. 1976) |
|
|
| eleonore bertko researcher |
|
Mr, Bonita, Bonnie, Robert, Denise, Dennis, George, Ursula, Michael, Céline, Bridget, Brendan, Kay-Uwe, Richard, Mélanie, Adelheid, Kathleen, Terrence, Christine, Claudette, Michal, Frank, Heinz, Janet, Ms, Ann, Liz, Jim, Tim, Mary, Sven, Anne, Adam, Brittaney, Kate, John, Eric, Olaf, Bryan, Danny, David, Diane, Donna, Doris, Katz, and Elizabeth