Family name Dyachuk (Дячук 
, Дьячук 
, Dyachuk 
) , around the world, is a common last name. The cognomen Dyachuk is habitual in Eastern Europe, particularly Ukraine, where it is quite a common surname, Belarus, where it is quite a rare surname, and Russia. Measured by absolute frequency, it is the most numerous in Ukraine, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Дячук | Belarus, Russia, Kazakhstan, Ukraine |
| Дьячук | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Dyachuk | Romania, United States, Russia, Italy, Ukraine |
| Диачук | Russia |
| pedora dyachuk Ukrainian Righteous Among the Nations, UA (b. 1905) |
|
|
| pavlo dyachuk Ukrainian Righteous Among the Nations, UA |
|
|
| vyacheslav dyachuk researcher ORCID ID = 0000-0001-8100-7367 |
|
|
| solomea dyachuk Ukrainian Righteous Among the Nations, UA |
|
|
| aleksandr dyachuk Ukrainian Righteous Among the Nations, UA |
|
|
| maksym dyachuk Ukrainian footballer |
|
Mr, Artem, Boris, Katia, Petro, Roman, Denis, Denys, David, Lidia, Julia, Julie, Nazar, Elena, Hanna, Vasyl, Vasya, Vadim, Irina, Iryna, Olena, Yuriy, Anton, Marina, Alina, Misha, Ms, Ana, Ann, Stas, Alex, Alla, Anna, Kate, Dina, Dima, Liya, Nina, Inna, Ivan, Igor, Olga, Oleg, Oleh, Yana, Yura, Maxim, Slava, and Mariya