Cognomen Роско (Roscoe 
, Rosco , Rosko 
) , globally, is a common family name. The last name Роско is habitual in Slovakia, where it is quite a common surname, Montenegro, where it is quite a rare surname, and Philippines. Not in comparison with a country's population, it is the most numerous in the United States, Philippines, and the United Kingdom. Also, Роско is the forename as well as the last name.