Surname Grotty (Grod 
, Grotty 
) , in all the world, is a rare family name. The family name Grotty is habitual in Lithuania, where it is quite a rare surname, France, where it is a rare surname, and Morocco. Not in comparison with a country's population, it is the most numerous in the United States, France, and Germany. Very seldom, Grotty is the forename as well as the last name.