Family name Tatsuyo (Tatsuyo 
) , all over the world, is an extremely rare cognomen. Predominantly, Tatsuyo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tatsuyo | Brazil, United States, Japan |
Abe, Kukawa, Ezzell, Hanada, Maehara, Shimizu, Schultz, Kobata, Yoshida, Jeronimo, Nakatani, Nakagawa, Fujimori, Watanabe, Yamamoto, Murakami, Matsumoto, Sasaki, Walsh, Cox, Mori, Miwa, Muto, Aoki, Baba, Miyata, Kato, Yada, Mukai, Saito, Carey, Omori, Okada, Koga, and Palumbarit