Seiji

Seiji (written: 誠二, 誠治, 誠史, 誠司, 誠次, 清二, 清治, 清次, 清志, 聖二, 聖治, 聖司, 征二, 征治, 征爾, 正慈, 成二, 精二, 菁児, 菁滋, 静児, 政二 or せいじ in hiragana) is a masculine Japanese given name. Notable people with the name include:


 * Seiji Aochi (青地 清二), Japanese ski jumper
 * Seiji Ara (荒 聖治), Japanese racing driver
 * Seiji Arikawa (有川 清次), Japanese politician
 * Seiji Chiba (千葉 誠治), Japanese film director and producer
 * Seiji Ebihara (海老原 清治), Japanese golfer
 * Seiji Fujie (藤江 精二), Japanese basketball player
 * Seiji Fukushi (福士 誠治), Japanese actor
 * Seiji Hagiwara (萩原 誠司), Japanese politician
 * Seiji Hirao (平尾 誠二), Japanese rugby union player
 * Seiji Hisamatsu (久松 静児), Japanese film director
 * Seiji Honda (本田 征治), Japanese footballer
 * Seiji Inagaki (born 1973), Japanese hurdler
 * Seiji Kameda (亀田 誠治), Japanese musician and record producer
 * Seiji Kameyama (亀山 晴児, born 1979), Japanese rapper better known as WISE
 * Seiji Kaneko (金古 聖司), Japanese footballer
 * Seiji Katagiri (片桐 清二), Japanese aviator
 * Seiji Kihara (木原 誠二), Japanese politician
 * Seiji Kimura (木村 誠二), Japanese footballer
 * Seiji Kishi (岸 誠二), Japanese anime director
 * Seiji Kobayashi (小林 誠司), Japanese professional baseball player
 * Seiji Koga (古賀 誠史), Japanese footballer
 * Seiji Kubo (born 1973), Japanese footballer
 * Seiji Kudo (工藤 誠二), Japanese cross-country skier
 * Seiji Kumagai (熊谷 誠二), Japanese voice actor
 * Seiji Kurata (倉田 精二), Japanese photographer
 * Seiji Maehara (前原 誠司), Japanese politician
 * Seiji Mataichi (又市 征治), Japanese politician
 * Seiji Matsunaga (松永 清志), Japanese sport wrestler
 * Seiji Matsuyama (松山 せいじ), Japanese manga artist
 * Seiji Miyaguchi (宮口 精二), Japanese actor
 * Seiji Mizushima (水島 精二), Japanese anime director
 * Seiji Morita (森田 清次), Japanese film editor
 * Seiji Nakamura (仲村 正治), Japanese politician
 * Seiji Nemoto (根本 誠次), Japanese sport wrestler
 * Seiji Noma (1878–1938), Japanese writer and publisher
 * Seiji Ogawa (小川 誠二), Japanese biologist
 * Seiji Oko (大古 誠司), Japanese volleyball player
 * Seiji Ono, Japanese table tennis player
 * Seiji Osaka (逢坂 誠二), Japanese politician
 * Seiji Ozawa (小澤 征爾), Japanese conductor
 * Seiji Saito (斉藤 誠司), Japanese footballer
 * Seiji Sakaguchi (坂口 征二), Japanese professional wrestler
 * Seiji Sasaki (佐々木 誠二), Japanese voice actor
 * Seiji Shibata (柴田 征二), Japanese fencer
 * Seiji Shinkai (新海 征治), Japanese chemist
 * Seiji Suzuki (鈴木 政二), Japanese politician
 * Seiji Takahashi (高橋 聖二), Japanese ice hockey player
 * Seiji Takaiwa (高岩 成二), Japanese actor
 * Seiji Takaku, Japanese psychologist
 * Seiji Takeda (竹田 菁滋), Japanese television producer
 * Seiji Tōgō (東郷 青児), Japanese painter and artist
 * Seiji Ueda (上田 清二), Japanese astronomer
 * Seiji Yamada (山田 誠司), Japanese ski mountaineer
 * Seiji Yamamoto (山本 征治), Japanese chef
 * Seiji Yokoyama (横山 菁児), Japanese composer
 * Seiji Yoshida (吉田 清治), 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!