Family name Takuichi (Takuichi 
) , in the world, is a very rare surname. The family name Takuichi is characteristic of Japan, where it is a very rare surname, and Brazil, where it is an extremely rare surname. More frequently, Takuichi is the forename as well as the last name.
Abe, Ogawa, Ozaki, Ozeki, Sasaki, Sumita, Suzuki, Kaneda, Tanaka, Harada, Fujita, Murachi, Shimizu, Kataoka, Hayashi, Yoshida, Sakamoto, Nakamura, Hirayama, Furukawa, Watanabe, Yamamoto, Otani, Omura, Ikeda, Itaya, Ide, Ito, Ono, Oda, Mori, Sato, Kubo, Kido, Goto, Noda, Takahashi, Hori, Ueno, Maeda, Miura, Saito, Honda, Hosoi, Hirai, Fujii, Inoue, Ishii, Ochi, and Nishimura