Family name Konagaya (Konagaya 
, Конагая) , all around the world, is a very rare surname. The last name Konagaya is characteristic of Argentina, where it is an extremely rare surname, the United States, and China. Measured by absolute frequency, it most frequently occurs in China, the United States, and India.
| VARIANT | COUNTRY |
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| Konagaya | China, United States, India, Argentina, Brazil |
| masami konagaya researcher |
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| yumi konagaya researcher |
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| tatsuro konagaya researcher |
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| keiji konagaya researcher |
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Ko, Shuji, Shoji, Shozo, Akira, Bunyu, Kazuo, Kachi, Kaoru, Kenji, Keiji, Kunio, Kinji, Kikuo, Genji, Jitsu, Takao, Takeo, Tadao, Tomio, Teruo, Teiji, Shiro, Sadao, Sarah, Masao, To, Ei, Sho, Aki, Ken, Kei, Kun, Kin, Moto, Sean, Nobuo, Akio, Koji, Joji, Eiji, Isao, Ikuo, Ichi, Ippu, Iwao, Yuki, Yuji, Kodo, and Haruo