Family name Семичастный (Семичастный 
, Semichastny 
, Semichastniy 
) , in all the world, is a rare last name. The cognomen Семичастный is characteristic of Russia, where it is a very rare surname, Kazakhstan, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Семичастный | Kazakhstan, Russia |
| Semichastny | Germany |
| Semichastniy | Ukraine |
| Semichastnyi | Russia |
|
владимир семичастный KGB Chairman (1924-2001), RU (b. 1924) |
|
| семичастный, михаил васильевич football player and coach from the Soviet Union (1910-1978), RU (b. 1910) |
|