Sound barrier may refer to:
- Sound barrier, the transition at transonic speeds from subsonic to supersonic travel, usually referring to flight
- The Sound Barrier, a British 1952 film directed by David Lean
- Sound Barrier, a heavy metal band from Los Angeles
- Sound Barrier (film), a 2005 Iranian film
- Noise barrier, an exterior structure designed to protect sensitive land uses from noise pollution
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This disambiguation page lists articles associated with the title Sound barrier.
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