Ryohei Arai

Ryohei Arai may refer to:


 * Ryohei Arai (director) (荒井 良平), Japanese film director
 * Ryohei Arai (footballer) (新井 涼平), Japanese footballer
 * Ryohei Arai (javelin thrower) (新井 涼平), Japanese javelin thrower
 * Ryōhei Arai (新井 良平), Japanese voice actor