'''Decompression''' has several meanings, some of which are covered by several articles: * Data decompression, the action of reversing data compression * Decompression (physics), the release of pressure and the opposition of physical compression ** Decompression (altitude). the reduction of pressure and the related physiological effects due to increase in altitude or other equivalent reduction of ambient pressure below normal atmospheric pressure ** Decompression (diving), the reduction in pressure and the process of allowing dissolved inert gases to be eliminated from the tissues during ascent from a dive or while in a pressurised environment ***Decompression practice, the techniques and procedures for decompressing a diver ***Decompression theory, The study of safe and efficient decompression practice ** Uncontrolled decompression, catastrophic reduction of pressure in accidents involving pressure vessels such as aircraft * Decompression (comics), in comic book storytelling, is the stylistic choice to tell a story mainly by visuals, with few words. * ''Decompression'' (novel), a 2012 novel by Juli Zeh * Decompression (surgery), a procedure used to reduce pressure on a compressed structure, such as spinal decompression ** Herniated disc decompression, a form of treatment for Spinal disc herniation, employed by chiropractors * "Decompression" (''The Outer Limits''), an episode of the American television fiction series ''The Outer Limits'' * Nerve decompression, a procedure to relieve direct pressure on a nerve * Decompression sickness {{disambiguation}}