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Last name Kostko (Kostko
, Костко
) , globally, is quite a rare surname. The cognomen Kostko is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Poland, and Ukraine, where it is a rare surname. In absolute terms, the name is most common in Eastern Europe, particularly Belarus, Poland, and Russia. Very seldom, Kostko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kostko | Russia, Poland, United States, Belarus, Venezuela |
| Костко | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
Mr, Irina, Irene, Yulia, Sandra, Samuel, Semyun, Symion, Andrew, Andrey, Amanda, Robert, Regina, Joseph, Jeremy, Viktor, Oksana, Michael, Arlette, Cecilia, Kseniya, Richard, Nancy, Laura, Kevyn, Kevin, Ms, Kay, Mark, Alex, Anna, Anne, Kara, Kirt, John, Jeff, Jenilia, Eric, Vira, Ivan, Oleg, Marko, Marek, Merry, Aaron, Chris, Karen, Kelly, Erin, and Jeffrey