Family name Kojack (Kojack 
) , in all the world, is a rare last name. The family name Kojack is habitual in Egypt, where it is a very rare surname, Indonesia, and Malaysia. In absolute terms, it most frequently occurs in Indonesia, Egypt, and the United States. Likewise, Kojack is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kojack | Indonesia, Myanmar, Egypt, United States, Tanzania |