Volatility or volatile may refer to:

Chemistry Volatility (chemistry), a measuring tendency of a substance or liquid to vaporize easily Volatile organic compounds, organic or carbon compounds that can evaporate at normal temperature and pressure Volatile anaesthetics, a class of anaesthetics which evaporate or vaporize easily Volatile substance abuse, the abuse of household inhalants containing volatile compounds Volatile oil, also known as essential oil, an oil derived from plants with aromatic compounds used in cosmetic and flavoring industries Relative volatility, a measure of vapor pressures of the components in a liquid mixture Volatile acid/Volatile acidity, a term used inconsisitenly across the fields of winemaking, wastewater treatment, physiology, and other fields Volatile (astrogeology), a group of compounds with low boiling points that are associated with a planet's or moon's crust and atmosphere

Computer science Volatile variables, variables that can be changed by an external process Volatile memory, memory that lasts only while the power is on (and thus would be lost after a restart) Volatility (memory forensics), an open source memory forensics tool

Other uses Volatility (finance), degree of variation over time Volatiles, the volatile compounds of magma (mostly water vapor) that affect the appearance and strength of volcanoes Stochastic volatility, in the mathematical theory of probability Pedersen index, a measure of electoral volatility in political party systems One of the components of the set of phenomena known as volatility, uncertainty, complexity and ambiguity Volatile Games, a video games maker Volatile (A Hero A Fake album), 2008 Volatile (The Lime Spiders album), 1988 Volatile (horse), a racehorse