Last name Яроцка (Jarocka 
, Яроцка 
) , throughout the world, is a rare family name. The family name Яроцка is habitual in Poland, where it is quite a rare surname, Latvia, and Switzerland, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Poland, Latvia, and the United States. More prevalently, Яроцка is the forename as well as the last name.