Family name Тоштук (Тоштук 
) , in the world, is a very rare last name. The last name Тоштук is habitual in Kyrgyzstan, where it is a rare surname, and Ukraine, where it is an extremely rare surname. Also, Тоштук is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Тоштук | Russia, Ukraine, Kyrgyzstan |