Last name Dolinny (Dolinny 
, Долинный 
) , all over the world, is a rare family name. The cognomen Dolinny is characteristic of Belarus, where it is a rare surname, Russia, and Ireland. Not in comparison with a country's population, it is the most numerous in Eastern Europe, particularly Russia, Belarus, and Poland. Very seldom, Dolinny is the forename as well as the last name.