Atmos may refer to:

• An abbreviation for the Earth's atmosphere
• The atmosphere (unit), a unit of pressure

It may also refer to:

• ATMOS (UAS), an Unmanned Aerial Vehicle designed by Team ATMOS
• Atmos Energy Corporation, a U.S. energy company
• Atmos clock, a clock manufactured by Jaeger-LeCoultre, which runs on changes in ambient temperature
• Oric Atmos, a home computer first marketed in 1984
• Ambience (sound recording)
• ATMOS Software, an Australian computer and video game company
• Ford FX-Atmos a streamlined, futuristic concept car from the mid-1950s
• Atmos (comics), a minor character in the 30th century DC Universe
• Atmos Heating Systems, a British supplier of industrial and domestic heaters, including the Drainfree Condensing Boiler, and solar heating systems
• ATMOS (ATMOSpheric emission system), fictional technology that appears in the 2008 Doctor Who two-part serial "The Sontaran Stratagem" / "The Poison Sky"
• ATMOS 2000, a self-propelled Israeli artillery system produced by Soltam Systems Ltd
• EMC Atmos, a clustered computer storage system from EMC Corporation
• Workshop on Algorithmic Approaches for Transportation Modeling, Optimization, and Systems (ATMOS)
• ATMOS Australia, an Australian based global air quality consulting company
• ATMOS-5D, an air quality forecasting platform first created and introduced to the market in 2004 by ATMOS Australia Pty Ltd (ATMOS Global)

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