Family name Usul (Usul 
) , all over the world, is quite a rare last name. The surname Usul is habitual in Turkey, where it is quite a rare surname, Belgium, where it is a rare surname, and Malaysia. Not in comparison with a country's population, the name is most common in Turkey, Indonesia, and Malaysia. Much less frequently, Usul is the forename as well as the last name.
Mr, Bora, Paul, Riza, Dudu, Tuna, Naci, Nuri, Elif, Esma, Cuma, Esra, Erol, Erdi, Emin, Emel, Emre, Ebru, Ezgi, Hava, Veli, Eren, Cenk, Ayã, Ayse, Ali, Can, Cem, Gã, Naz, Efe, Mohd, Mert, Mina, Sani, Sati, Sude, Suat, Sema, Seda, Anil, Arif, Arda, Arzu, Adem, Asal, Fuat, and Onur