Worldwide, Kiei (Kiei 
) is an extremely rare gender-neutral forename. Much less frequently, Kiei is the last name as well as the forename.
Abe, Otsuka, Yamada, Uemura, Maekawa, Shimizu, Arakaki, Kikuchi, Yoshida, Morikawa, Miyamoto, Miyagami, Tsuchiya, Nakamura, Nakagawa, Hasegawa, Furukawa, Fujishiro, Watanabe, Yamakawa, Yamamoto, Kobayashi, Nakano, Kimura, Kaneko, Suzuki, Ide, Ito, Ono, Sato, Kono, Goto, Tome, Todo, Hara, Hika, Taniguchi, Yogi, Saito, Asato, Kondo, Tsuji, Inoue, Okubo, Ouchi, Ogata, Ogawa, Mizuno, Miura, and Nishimoto