Last name Малачов (Малачов 
, Malachov 
) , in the entire world, is a very rare cognomen. The last name Малачов is habitual in Germany, where it is a very rare surname, Russia, and Israel. Measured by absolute frequency, this name is the most popular in Russia, Germany, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Малачов | Russia, Ukraine |
| Malachov | Germany, Russia, Israel, United States |