Eternal Idol or The Eternal Idol may refer to:

• The Eternal Idol, a 1987 album by Black Sabbath
• The Eternal Idol, a sculpture by Auguste Rodin
• Eternal Idol, a 1966 ballet by Edgar Hovhannisyan
• Elizabeth Peyton & Camille Claudel: Eternal Idol, a 2017 art exhibition
• Eternal Idol, a 1931 painting by George Owen Wynne Apperley
• Eternal Idol, nickname of Japanese singer-songwriter Seiko Matsuda