Cognomen Seishin (Seishin 
) , in the entire world, is a very rare surname. The family name Seishin is characteristic of Indonesia, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Much more prevalently, Seishin is the forename as well as the last name.
Abe, Yamada, Toguchi, Nishida, Hayashi, Inamine, Yoshida, Morimoto, Sakamoto, Sugimoto, Nakamura, Hirayama, Ishikawa, Watanabe, Yamamoto, Yamazaki, Yokoyama, Matsumoto, Kobayashi, Taniguchi, Takahashi, Hashimoto, Nakano, Tanaka, Kimura, Komesu, Lee, Ida, Ito, Iwa, Ono, Ota, Mori, Sato, Kato, Koga, Yamashita, Hara, Ueda, Maeda, Saito, Daimo, Ogawa, Matsuo, Matsui, Morita, Sasaki, Suzuki, Hika, and Yamaguchi