Gerontius

• Edward Elgar
• Geraint (given name)
• Gerontius (bishop of Milan)
• Gerontius (magister militum)
• Gerontius of Cervia
• Gerontius, Metropolitan of Moscow
• J. R. R. Tolkien
• James Hamilton-Paterson
• John Henry Newman
• The Dream of Gerontius
• The Dream of Gerontius (poem)
• The Lord of the Rings
• Tomis (ancient city)