Surname Bojak (Bojak 
, Бояк 
) , in the entire world, is a rare family name. The cognomen Bojak is habitual in Germany, where it is a very rare surname, Poland, and Russia. In absolute terms, it is commonest in Germany, the United States, and Indonesia. Very seldom, Bojak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bojak | Germany, Indonesia, Colombia, United States, Poland |
| Бояк | Russia, Ukraine |
| detlef bojak German politician, DE (b. 1935) |
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| ingo bojak researcher |
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