Surname Hrozny (Грозный 
, Hrozny 
, הרוזני 
) , all over the world, is a rare family name. The cognomen Hrozny is habitual in Belarus, where it is quite a rare surname, Slovakia, where it is a rare surname, and Kazakhstan. Not in comparison with a country's population, the name is most common in Russia, Belarus, and Kazakhstan. Very seldom, Hrozny is the forename as well as the last name.