One ring (disambiguation)

The One Ring is a central plot element in J. R. R. Tolkien's The Lord of the Rings.

One ring may also refer to:

• the missed call telephone scam, a phone fraud
• TheOneRing.net, a fandom website for Middle-Earth related topics
• The One Ring Roleplaying Game, a tabletop role-playing game
• The One Ring (Legends), a module for the play-by-mail game