Last name Iichi (Iichi 
) , around the world, is a very rare cognomen. The last name Iichi is characteristic of Eastern Asia, particularly Japan, where it is a very rare surname, and China, where it is an extremely rare surname. Predominantly, Iichi is the forename as well as the last name.
Abe, Masuda, Minami, Sasaki, Suzuki, Kimura, Tanaka, Tamura, Fujita, Onishi, Yamada, Uemura, Kikuchi, Murakami, Nakamura, Nakajima, Fujiwara, Watanabe, Yamakawa, Yamamoto, Kobayashi, Takahashi, Marumo, Ogino, Ogawa, Okano, Ito, Ota, Sato, Baba, Kato, Kudo, Kubo, Tani, Hara, Hino, Tsukamoto, Ueda, Sakai, Asano, Koike, Takei, Nakao, Nishi, Hirai, Inoue, Ishii, Ikeda, Saito, and Nishimura