Rinoa can refer to:

• Rinoa (band), a post-metal band from Essex
• Rinoa Heartilly, a character in the video game Final Fantasy VIII

• St John de Crevecoeur
• St. John de Crèvecœur
• St. John d'el Rey Mining Co
• St. John d'el Rey Mining Company
• St. John Del Rey Mining Company
• St. John Desmond Arcedeckne-Butler
• St. John Devereaux
• St. John Eudes
• St. John Eudes Cathedral, Baie-Comeau
• St. John Evangelical Church (Sosnowiec)
• St. John Evangelical Lutheran Church (Pocahontas, Missouri)
• St. John Evangelist
• St. John Evangelist Anglican Church
• St John Eye Hospital Group
• St. John Fisher Cardinals men's basketball
• St. John Fisher Cardinals track and field
• St John Fisher Catholic College
• St. John Fisher Catholic College
• St John Fisher Catholic High School (Peterborough)
• St. John Fisher Catholic High School, Wigan
• St. John Fisher Ibanda Secondary School
• St. John Groser
• St John Groser
• St John Harmsworth
• St. John Horsfall