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:
“Those in possession of absolute power can not only prophesy and make their prophecies come true, but they can also lie and make their lies come true.”
—Eric Hoffer (19021983)
“Close friends contribute to our personal growth. They also contribute to our personal pleasure, making the music sound sweeter, the wine taste richer, the laughter ring louder because they are there.”
—Judith Viorst (20th century)