Cognomen Okt (Okt 
) , all around the world, is quite a rare last name. The last name Okt is characteristic of Indonesia, where it is a rare surname, Myanmar, and Turkey, where it is an extremely rare surname. Very seldom, Okt is the forename as well as the last name.
Sri, Ressy, Riska, David, Duddy, Hardi, Farah, Windi, Youns, Yosep, Putri, Miqbal, Arisma, Kassim, Kincai, Rahayu, Leslie, Joslin, Muhammet, Ayşe Metin, Oktaviadi, Sastie, Oktavirani, Kuzey, Boyke, Ayu, Tri, Eka, Ika, Mega, Arda, Rani, Reni, Rina, Keles, Dewi, Lina, Tiny, Vian, Vera, Yogi, Murat, Selvi, Agung, Bagus, Doni, and Scholastika