Family name Grudy (Grudy 
, Groludy, Грудий 
) , worldwide, is a rare cognomen. The last name Grudy is habitual in Georgia, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, this name is the most popular in Russia, Georgia, and the United States. Likewise, Grudy is the forename as well as the last name.