Seigo

Seigo is a masculine Japanese given name. Notable people with the name include:

Seigo Asada, Japanese darts player
Seigo Kitamura, Japanese politician
Seigo Minami, Japanese dermatologist
Seigo Nakao, head of Japanese Studies at Oakland University
Seigo Shimokawa, Japanese footballer

Seigō or Seigou is a separate masculine given name, though it may be romanized the same way. Notable people with the name include:

Seigo Kobayashi, Japanese footballer
Seigō Nakano, Japanese politician
Seigo Narazaki, Japanese footballer
Seigo Saito, Japanese judoka
Seigo Tada, founder of Goju-Ryu Seigokan Karatedo
Seigo Yamamoto, Japanese drift driver