Surname Dúr (Dur 
, Dour 
, Durus 
) , worldwide, is a common cognomen. The cognomen Dúr is habitual in Turkey, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Romania. In absolute terms, it is the most numerous in Turkey, Indonesia, and India. Likewise, Dúr is the forename as well as the last name.