Ryōichi
{{Infobox given name
| name = Ryōichi
| image =
| image_size =
| caption =
| pronunciation =
| gender = Male
| meaning = Different meanings depending on the kanji used
| region =
| language =
| origin = Japanese
| alternative spelling =
| nickname =
| variant forms =
| related names =
| name day =
| derived =
| popularity =
| footnotes =
}}
Ryōichi, Ryoichi, Ryouichi or Ryohichi (written: 良一, 遼一, 僚一, 亮一 or 了一) is a masculine Japanese given name. Notable people with the name include:
- {{Nihongo|Ryoichi Adachi|安達 了一||born 1988}}, Japanese baseball player
- {{Nihongo|Ryoichi Akamatsu|赤松 諒一||born 1995}}, Japanese high jumper
- {{Nihongo|Ryoichi Fujisawa|藤沢 良一||born 1927}}, Japanese Nordic combined skier
- {{Nihongo|Ryoichi Fukushige|福重 良一||born 1971}}, Japanese footballer
- {{Nihongo|Ryōichi Hattori|服部 良一||1907–1993}}, Japanese composer
- {{Nihongo|Ryoichi Hattori (politician)|服部 良一||born 1950}}, Japanese politician
- Ryoichi Hirano, Japanese ballet dancer
- {{Nihongo|Ryoichi Ikegami|池上 遼一||born 1944}}, Japanese manga artist
- {{Nihongo|Ryoichi Jinnai|神内 良一||born 1926}}, Japanese businessman
- {{Nihongo|Ryoichi Kawakatsu|川勝 良一||born 1958}}, Japanese footballer and manager
- {{Nihongo|Ryoichi Kimizuka|君塚 良一||born 1958}}, Japanese screenwriter, television director and film director
- {{Nihongo|Kinoshita Ryoichi|木下 良一||born 1959}}, Japanese aikidoka
- {{Nihongo|Ryoichi Kurisawa|栗澤 僚一||born 1982}}, Japanese footballer
- {{Nihongo|Ryōichi Kuroda|黒田 了一||1911–2003}}, Japanese lawyer and politician
- {{Nihongo|Ryoichi Maeda|前田 遼一||born 1981}}, Japanese footballer
- {{Nihongo|Ryōichi Sasakawa|笹川 良一||1899–1995}}, Japanese businessman and politician
- {{Nihongo|Ryōichi Sekiya|關家 良一||born 1967}}, Japanese ultramarathon runner
- {{Nihongo|Ryoichi Taguchi|田口 良一||born 1986}}, Japanese boxer
- {{Nihongo|Ryoichi Takahashi|高橋 良一||1898–1963}}, Japanese entomologist
- {{Nihongo|Ryōichi Tanaka|田中 亮一||born 1947}}, Japanese voice actor
- {{Nihongo|Ryōichi Yazu|矢頭 良一||1878–1908}}, Japanese inventor
- {{Nihongo|Ryoichi Yoshida|吉田 良一||born 1965}}, Japanese sprinter
{{given name}}
{{DEFAULTSORT:Ryoichi}}