Family name Semiachkova (Semiachkova 
, Семячкова 
) , in the world, is a rare surname. The surname Semiachkova is habitual in Russia, where it is a very rare surname, Spain, and Kazakhstan. In absolute terms, it is the most numerous in Russia, Spain, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Semiachkova | Spain |
| Семячкова | Russia, Kazakhstan, Ukraine |