Surname Dagoglu (Dagoglu 
) , globally, is a very rare last name. The cognomen Dagoglu is characteristic of Turkey, where it is a very rare surname, Germany, where it is an extremely rare surname, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in Turkey, Germany, and the United States. Much less frequently, Dagoglu is the forename as well as the last name.