Family name Блац (Blac 
, Блац 
, Blats 
) , around the globe, is quite a rare last name. The cognomen Блац is habitual in Latvia, where it is quite a rare surname, Serbia, where it is a rare surname, and Ghana. In absolute terms, it is commonest in Algeria, Ghana, and Kenya. Also, Блац is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blac | Algeria, Kenya, Malaysia, Ghana, Myanmar |
| Блац | Kazakhstan, Russia, Ukraine |
| Blats | Mexico, Serbia, United States, Latvia, Peru |