Family name Seizo (Seizo 
) , in the world, is quite a rare cognomen. The family name Seizo is characteristic of Japan, where it is a rare surname, Hungary, and Spain, where it is an extremely rare surname. Much more frequently, Seizo is the forename as well as the last name.
Abe, Takagi, Fujita, Yamada, Sakurai, Shimada, Shimizu, Kikuchi, Hayashi, Yoshida, Murakami, Nakamura, Nakagawa, Nakajima, Hasegawa, Watanabe, Yamamoto, Yamazaki, Matsumoto, Kobayashi, Takahashi, Hashimoto, Tamura, Tanaka, Kimura, Suzuki, Ito, Ono, Ota, Mori, Sato, Kato, Kudo, Goto, Endo, Ueno, Yamashita, Ueda, Miura, Saito, Kasai, Fujii, Inoue, Ishii, Ikeda, Okada, Masuda, Sasaki, Maeda, and Yamaguchi