Teppei (written: 徹平, 鉄平, 哲平 or 哲兵) is a masculine Japanese given name. Notable people with the name include:
Teppei Isaka (born 1974), Japanese footballerTeppei Koike (小池 徹平) (born 1986), Japanese actor and singerTeppei Nishiyama (西山 哲平) (born 1975), Japanese footballerTeppei Takano (高野 鉄平) (born 1983), Japanese ski jumperTeppei Teranishi (born 1980), American musicianTeppei Tomioka (冨岡 鉄平) (born 1977), Japanese rugby union playerTeppei Uchida (内田 哲兵) (born 1975), Japanese footballerTeppei (wrestler) (born 1976), Japanese professional wrestlerFictional characters:
Teppei Arima (馬 哲平), protagonist of the visual novel Princess Lover!Teppei Iida (飯田哲平), character in the manga series InubakaTeppei Kiyoshi (木吉 鉄平), character in the manga and anime series Kuroko's Basketball