Last name Kocaaga (Kocaaga 
) , around the world, is a rare surname. The surname Kocaaga is habitual in Turkey, where it is a rare surname, Germany, where it is a very rare surname, and Netherlands. Measured by absolute frequency, it is commonest in Turkey, Germany, and France.
Mr, Baran, Bahar, Bilal, Recep, Taner, Talha, Nadim, Ercan, Erhan, Engin, Ekrem, Harun, Hamza, Hasan, Halil, Hakan, Hilal, Vedat, Faruk, Fatih, Fatma, Cemal, Ceren, Ahmet, Ayşe, Ali, Yã, Musa, Sena, Sema, Anna, Adem, Elif, Eren, Emre, Firat, Ebru, Onur, Omer, Metin, Murat, Salim, Salih, Sinan, Seyit, Amine, Adnan, Eyup, and Orhan