Power ring or ring of power may refer to:
- Seal (device)#Signet rings
- Ecclesiastical rings
- In fiction:
- In DC Comics' Green Lantern Corps:
- Power ring (DC Comics), a ring which is the source of the super powers of the Green Lantern Corps
- Power Ring (DC supervillains), the alias of several evil counterparts to the Green Lanterns
- In J. R. R. Tolkien's Middle-earth:
- Any of the twenty Rings of Power
- The One Ring, the most powerful of the Rings of Power
- The white gold wedding ring in Stephen Donaldson's The Chronicles of Thomas Covenant, the Unbeliever
- Ring of Gyges, in Plato's The Republic
- Der Ring des Nibelungen (The Ring of the Nibelung)
- Ring of Power, an alternate title for Rock & Rule, an animated film
- Rings (Sonic the Hedgehog), items collected in the Sonic the Hedgehog video games, also called Golden Rings
- In DC Comics' Green Lantern Corps:
Famous quotes containing the words power and/or ring:
“Opinions have greater power than strength of hands.”
—Sophocles (497406/5 B.C.)
“I started out very quiet and I beat Mr. Turgenev. Then I trained hard and I beat Mr. de Maupassant. Ive fought two draws with Mr. Stendhal, and I think I had an edge in the last one. But nobodys going to get me in any ring with Mr. Tolstoy unless Im crazy or I keep getting better.”
—Ernest Hemingway (18991961)