Surname Taiichi (Taiichi 
) , in the entire world, is a rare last name. The cognomen Taiichi is characteristic of Eastern Asia, particularly Taiwan, where it is a rare surname, Hong Kong, and Japan. More prevalently, Taiichi is the forename as well as the last name.
Ito, Higuchi, Okamoto, Yoshida, Murakami, Sakamoto, Sugiyama, Sugimoto, Kitamura, Takemura, Tsuchiya, Nakayama, Nakagawa, Hasegawa, Fujiwara, Watanabe, Yamamoto, Yokoyama, Matsumoto, Kobayashi, Takahashi, Nishimura, Hayashi, Shimizu, Matsuda, Yamada, Ono, Mori, Sato, Kato, Goto, Wada, Saito, Asano, Inoue, Okada, Hashimoto, Ogawa, Murata, Sasaki, Suzuki, Adachi, Kimura, Tanaka, Tanabe, Tamura, Nagata, Fukuda, Masuda, and Yamaguchi