In the entire world, Keisaku (Keisaku 
) is an extremely rare unknown gender first name. Very seldom, Keisaku is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Keisaku | Japan, China, United States, India, Brazil |
| keisaku takahashi (b. 1799) |
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| keisaku morita Japanese musician (b. 1980) |
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| keisaku sato researcher (cholangiocarcinoma) |
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| keisaku fujimoto researcher |
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| ogi keisaku |
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Abe, Kimura, Tanaka, Tanabe, Nakata, Nonaka, Oshima, Yamada, Matsuda, Shimada, Shimizu, Yoshida, Nakamura, Nakajima, Hasegawa, Fujimoto, Igarashi, Watanabe, Yamamoto, Yamazaki, Uchimura, Kobayashi, Kaneko, Suzuki, Sasaki, Masuda, Doi, Ino, Ito, Ono, Mori, Sano, Sato, Aoki, Kato, Goto, Takahashi, Hara, Yabe, Yogi, Miura, Saito, Sakai, Hosoi, Fujii, Izuka, Okada, Ohara, Yagi, and Yamaguchi