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Family name Kousuke (コウスケ , Kousuke , كوسكي) , in all the world, is a common cognomen. The cognomen Kousuke is habitual in Eastern Asia, particularly Japan, where it is quite a common surname. Very seldom, Kousuke is the forename as well as the last name.
Abe, Konishi, Kuriwada, Kikuchi, Izutani, Okajima, Maruyama, Miyazaki, Sugiyama, Kawasaki, Kawabata, Takeuchi, Tominaga, Nakamura, Nakajima, Watanabe, Yasumura, Yamamoto, Yokoyama, Matsumoto, Takahashi, Nishijima, Shuhama, Yamada, Nakata, Takeda, Kun, Ito, Mori, Sano, Arai, Aoki, Kato, Kida, Hara, Haji, Yamashita, Ohno, Maeda, Sakai, Kanai, Gotou, Honma, Fujii, Sasaki, Suzuki, Kuzuoka, Tanaka, Ueki, and Yamaguchi