Surname Блаха (Blaha 
, Блаха 
) , around the world, is a common family name. The family name Блаха is habitual in Czechia, where it is quite a common surname, Slovakia, and Austria. Measured by absolute frequency, it is commonest in Czechia, the United States, and Germany. Very seldom, Блаха is the forename as well as the last name.