Seiji (written: , , , , , , , , , , , , , , , , , , , , , or in hiragana) is a masculine Japanese given name. Notable people with the name include:
, Japanese ski jumper , Japanese racing driver , Japanese politician , Japanese film director and producer , Japanese rower , Japanese golfer , Japanese basketball player , Japanese actor , Japanese politician , Japanese politician , Japanese politician , Japanese archer , Japanese rugby union player , Japanese film director , Japanese footballer , Japanese hurdler , Japanese karate instructor , Brazilian scientist , Japanese musician and record producer , Japanese rapper better known as WISE , Japanese footballer , Japanese animation scholar and critic , Japanese aviator , Japanese professional baseball outfielder , Japanese footballer , Japanese politician , Japanese field hockey player , Japanese footballer , Japanese anime director , Japanese professional baseball player , Japanese footballer , Japanese sprint canoeist , Japanese cross-country skier , Japanese voice actor , Japanese photographer , Japanese former rugby union player , Japanese voice actor , Japanese politician , Japanese politician , Japanese sport wrestler , Japanese manga artist , Japanese actor , Japanese announcer, television presenter and professional wrestling promoter , Japanese anime director , Japanese film editor , Japanese urologist , Japanese politician , Japanese former international table tennis player , Japanese rear-admiral and engineer , Japanese sport wrestler , Japanese karateka , Japanese neuroscientist and writer , Japanese writer and publisher , Japanese biologist , Japanese volleyball player , Japanese table tennis player , Japanese politician , Japanese conductor , Japanese actor , Japanese footballer , Japanese professional wrestler , Japanese voice actor , Japanese fencer , Japanese novelist , Japanese football player , Japanese chemist , Japanese politician , Japanese professional baseball pitcher , Japanese ice hockey player , Japanese actor Seiji Takaku, Japanese psychologist , Japanese television producer , Japanese painter and artist , Japanese former Nippon Professional Baseball infielder/outfielder , Japanese businessperson, author and poet , Japanese profesisonal baseball outfielder , Japanese astronomer , Japanese ski mountaineer , Japanese chef , Japanese composer , Japanese writer and communist
Fictional characters
Seiji Matoba, the main antagonist of Natsume's Book of Friends Seiji Amasawa, one of the main characters of Whisper of the Heart Seiji Sagara, a supporting character in HappinessCharge PreCure! Seiji Nomi, one of antagonist of Accel World
See also Celadon, known in Japanese as seiji (青磁)