Last name Mekša (Mekša 
, Мекша 
) , worldwide, is a rare cognomen. The cognomen Mekša is habitual in Latvia, where it is quite a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mekša | Latvia |
| Мекша | Russia, Ukraine |