Seigo

Seigo (written: 誠吾, 斉吾 or 省吾) is a masculine Japanese given name. Notable people with the name include:


 * Seigo Asada (浅田 斉吾), Japanese darts player
 * Seigo Kitamura (北村 誠吾), Japanese politician
 * Seigo Minami (皆見 省吾), Japanese dermatologist
 * Seigo Nakao, head of Japanese Studies at Oakland University
 * Seigo Shimokawa (下川 誠吾), Japanese footballer

Seigō or Seigou (written: 正剛, 成豪, 制剛 or 聖剛) is a separate masculine given name, though it may be romanized the same way. Notable people with the name include:


 * Seigo Kobayashi (小林 成豪), Japanese footballer
 * Seigō Nakano (中野 正剛), Japanese politician
 * Seigo Narazaki (楢﨑 正剛), Japanese footballer
 * Seigo Saito (齋藤 制剛), Japanese judoka
 * Seigo Tada (多田 正剛), founder of Goju-Ryu Seigokan Karatedo
 * Seigo Yamamoto (山本 聖剛), Japanese drift driver