Ryouichi

Ryōichi, Ryoichi or Ryouichi (written: 良一, 遼一, 僚一, 亮一 or 了一) is a masculine Japanese given name. Notable people with the name include:

• Ryoichi Fujisawa (藤沢 良一?) (born 1927), Japanese Nordic combined skier
• Ryoichi Fukushige (福重 良一?) (born 1971), Japanese footballer
• Ryōichi Hattori (服部 良一?) (1907–1993), Japanese composer
• Ryoichi Hattori (politician) (服部 良一?) (born 1950), Japanese politician
• Ryoichi Ikegami (池上 遼一?) (born 1944), Japanese manga artist
• Ryoichi Jinnai (神内 良一?) (born 1926), Japanese businessman
• Ryoichi Kawakatsu (川勝 良一?) (born 1958), Japanese footballer and manager
• Ryoichi Kimizuka (君塚 良一?) (born 1958), Japanese screenwriter, television director and film director
• Kinoshita Ryoichi (木下 良一?) (born 1959), Japanese aikidoka
• Ryoichi Kurisawa (栗澤 僚一?) (born 1982), Japanese footballer
• Ryōichi Kuroda (黒田 了一?) (1911–2003), Japanese lawyer and politician
• Ryoichi Maeda (前田 遼一?) (born 1981), Japanese footballer
• Ryoichi Sasakawa (笹川 良一?) (1899–1995), Japanese businessman and politician
• Ryōichi Tanaka (田中 亮一?) (born 1947), Japanese voice actor
• Ryōichi Yazu (矢頭 良一?) (1878–1908), Japanese inventor