Across the world, Ishizeki (Ishizeki 
) is an extremely rare unknown gender forename. Predominantly, Ishizeki is the last name as well as the forename.
Ko, Akira, Carol, Kazuo, Kachi, Kaoru, Kohei, Kenji, Keiko, Ryota, Jitsu, Takeo, Takio, Tadao, Teruo, Teizo, Haruo, Hideo, Hisao, Fumio, Isamu, Osamu, Shozo, Shoji, Shori, Shiro, Ei, Ho, Ken, Kun, Jun, Mari, Shin, Anna, Akio, Kozo, Yasuo, Koji, Jiro, Taro, Toru, Eiji, Eiyu, Ippu, Masao, Morio, Mikio, Sarah, Gaku, and Yukio