Last name Dluga (Dluga 
) , across the world, is a very rare family name. The family name Dluga is characteristic of Poland, where it is a rare surname, Germany, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Poland, Germany, and the United States. More prevalently, Dluga is the forename as well as the last name.