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Cognomen Iku (Iku , イク , Ику) , across the world, is a common surname. The last name Iku is characteristic of Eastern Asia, particularly South Korea, where it is quite a common surname, Japan, where it is quite a rare surname, and Taiwan, where it is a rare surname. In absolute terms, it is the most numerous in South Korea, Japan, and Indonesia. Likewise, Iku is the forename as well as the last name.
Ma, Tanaka, Ishida, Otsuka, Yamada, Uchida, Maxwell, Mohamed, Shimada, Shimizu, Hayashi, Iwasaki, Yoshida, Takamura, Nakamura, Fujimatsu, Fujiwara, Watanabe, Yamamoto, Yamazaki, Matsumoto, Kobayashi, Lajlaj, Takahashi, Kumari, Suzuki, Ram, Ito, Mori, Sato, Kato, Devi, Goto, John, Joki, Tran, Frey, Saito, Singh, Burns, Kondo, Gavit, Honda, Inoue, Ogawa, Sasaki, Sunday, Kasege, and Yamaguchi