Cognomen Kiichi (Kiichi 
, 喜一 ) , in the entire world, is quite a rare surname. The surname Kiichi is habitual in Japan, where it is quite a rare surname, Spain, where it is a very rare surname, and China, where it is an extremely rare surname. More prevalently, Kiichi is the forename as well as the last name.
Abe, Yamada, Shimada, Shimizu, Kikuchi, Hayashi, Ichikawa, Yoshida, Murakami, Sakamoto, Sugawara, Nakamura, Nakagawa, Nakajima, Hasegawa, Ishikawa, Watanabe, Yamamoto, Yamazaki, Matsumoto, Kobayashi, Takahashi, Ishida, Fujita, Fukuda, Nakano, Ito, Ono, Mori, Sato, Arai, Kato, Goto, Endo, Miura, Saito, Hashimoto, Sakai, Inoue, Ishii, Ikeda, Ogawa, Masuda, Sasaki, Suzuki, Kaneko, Kimura, Tanaka, Chiba, and Yamaguchi