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Globally, Naoko (Naoko
, ナオコ
, Наоко
) is quite a rare principally feminine, but scarcely boy's first name. The first name Naoko is habitual in Hong Kong, where it is quite a rare girly name, Japan, and Cyprus. Measured by absolute frequency, it is commonest in Japan, the United States, and Hong Kong. More frequently, Naoko is the last name as well as the forename.
Naoko is also a name for the fictitious and mythical characters: Naoko Katsuda , the fictional character from Golden Boy; Naoko Natsuki , the fictional character from Re:Zero, Re:Zero − Starting Life in Another World; Naoko Seishō , the KochiKame characters, Kochira Katsushika-ku Kameari Kōen-mae Hashutsujo and Naoko Akagi , the fictional character from Neon Genesis Evangelion.
Abe, Takeda, Harada, Fujita, Yamada, Shimada, Shimizu, Hayashi, Okamoto, Yoshida, Murakami, Kawaguchi, Nakamura, Nakagawa, Hasegawa, Ishikawa, Watanabe, Yamamoto, Matsumoto, Kobayashi, Takahashi, Hashimoto, Tamura, Tanaka, Kimura, Kojima, Ito, Ono, Mori, Sato, Arai, Kato, Goto, Wada, Maeda, Saito, Yamashita, Sakai, Inoue, Ishii, Ikeda, Okada, Ogawa, Owaki, Morita, Sasaki, Suzuki, Adachi, Kondo, and Yamaguchi