Cognomen Yarchak (Yarchak 
) , around the globe, is a very rare last name. The cognomen Yarchak is habitual in the United States, where it is a very rare surname, Canada, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yarchak | Germany, Russia, United States, Canada, Ukraine |
Joe, George, Larysa, Leslie, Joseph, Nicole, Michael, Sherrie, Charles, Candice, Robert, Colleen, Katelyn, Jillian, Mykhaylo, Kristine, Rosalind, Gertrude, Gerturde, Jennifer, Catherine, Barbara, Stepan, Sherry, Meagan, Mary, Maks, Pete, John, Evan, Yury, Megan, Sally, Scott, Peter, Diana, Donna, Laney, Laura, Jared, Taras, Tonya, Nancy, Helen, Malori, Maksim, Katherine, and Jacqueline