Family name Мещалкин (Мещалкин 
, Meschalkin 
) , in the entire world, is a very rare cognomen. The surname Мещалкин is habitual in Russia, where it is a very rare surname, Germany, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Мещалкин | Russia, Ukraine |
| Meschalkin | Germany |