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

This disambiguation page lists articles associated with the title Sound barrier.
If an internal link led you here, you may wish to change the link to point directly to the intended article.