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:
“The individual protests against the world, but he doesnt get beyond protest, he is just a single protester. When he wants to be more than that, he has to counter power with power, he has to oppose the system with another system.”
—Friedrich Dürrenmatt (19211990)
“I like well the ring of your last maxim, It is only the fear of death makes us reason of impossibilities. And but for fear, death itself is an impossibility.”
—Henry David Thoreau (18171862)