Alegre River
Introduction '''Alegre River''' may refer to:
Brazil * Alegre River (Espírito Santo)* Alegre River (Goiás)* Alegre River (Guaporé)* Alegre River (Maranhão)* Alegre River (Mato Grosso)* Alegre River (Paraná)* Alegre River (Rio de Janeiro)
Mexico * Alegre River (Mexico)
Venezuela * Alegre River (Venezuela)