All around the world, Tomomasa (Tomomasa 
, Томомаса) is an extremely rare masculine given name.
| VARIANT | COUNTRY |
|---|---|
| Tomomasa | Japan, Poland, China, Brazil, United States |
| tomomasa oyama (b. 1155) |
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| tomomasa yokomizo researcher (ORCID 0000-0001-6157-2852) |
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| tomomasa ohkubo researcher ORCID ID = 0000-0002-0566-0425 |
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| tomomasa matsuyama researcher |
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| tomomasa kajita researcher |
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| tomomasa hiramatsu researcher |
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| tomomasa takamiya researcher |
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| tomomasa kondo researcher (ORCID 0000-0003-2332-4887) |
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| uesugi tomomasa samurai of the early-Sengoku period |
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Na, Uemura, Akiyama, Terazaki, Noguchi, Hayashi, Okumura, Yoshida, Maruyama, Katagiri, Kawamura, Kawaguchi, Nakamura, Hasegawa, Ishikawa, Watanabe, Yamamoto, Yamazaki, Shimazaki, Kobayashi, Kinoshita, Nishimura, Yamada, Furuya, Hisada, Nagano, Abe, Ito, Ono, Ota, Miki, Sato, Sudo, Seki, Baba, Kato, Yamashita, Kubo, Endo, Tamai, Fujii, Inoue, Izumi, Shiomi, Suzuki, Kimura, Tamura, Takano, Goto, and Yamaguchi