Oring may refer to: O-ring, a gasket or seal with an O-shaped cross-section O-ring chain, a specialized type of roller chain Oring language, in Nigeria Orienteering Fox Oring OR-ing as an operation of logical disjunction, in logic, electronics, or computer science Ring of O, the BDSM jewelry O-Ring theory of economic development O-Ring failure as a cause of the Space Shuttle Challenger disaster O ring (smoke), trick while exhaling smoke