Air Supply is an Australian soft rock duo, consisting of British-born singer-songwriter and guitarist Graham Russell and lead vocalist Russell Hitchcock. They had a succession of hits worldwide, including eight Top Ten hits in the United States, in the early 1980s. They formed in Australia in 1975 and have included various accompanying musicians and singers. The Australian Recording Industry Association (ARIA) inducted Air Supply into their Hall of Fame on 1 December, 2013 at the annual ARIA Awards.

Air supply may refer to:

• Ventilation (architecture)
• Air compressor, used to enable breathing under adverse outside conditions
• Breathing set (disambiguation)
• Air Supply, a soft rock music duo
  • Air Supply (1976 album), the debut album by Air Supply
  • Air Supply (1985 album), the eighth studio album by Air Supply