eV

Ev or EV may refer to:

Businesses

Electro-Voice, a United States manufacturer of amplifiers, microphones, other audio equipment and speakers
Expressjet Airlines (IATA designator)
Atlantic Southeast Airlines (IATA designator)
EV Direct, exclusive distributor of BYD in Australiae

Embedded value, the present value of future profits for a life insurance company
Enterprise value, an economic measure reflecting the market value of a whole business
Equivalent variation, a measure of how much more money a consumer would pay before a price increase to avert the price increase

Electric vehicle, a vehicle using an electric motor instead of an internal combustion engine
Electric car, a type of electric vehicle
Electronvolt (eV), in physics, a unit of energy
Estradiol valerate, an estrogen medication
Evolution-Data Optimized, a telecommunications standard for the wireless transmission of data through radio signals
Expected value, the mean of a random variable's probability distribution
Exposure value, a combination of shutter speed and aperture in photography
Extended Validation Certificate, a type of X.509 Certificate used in securing computer communications
Extracellular vesicle, a membrane-bound vesicle
Stereo-4, also known as EV (Electro-Voice), a quadraphonic sound system developed in 1970
Exploration vessel (E/V), a type of marine vessel

Land of Ev, a fictional country in the Oz books of L. Frank Baum and his successors
{{lang|et|Eesti Vabariik}}, Estonian for Republic of Estonia
{{lang|de|eingetragener Verein}} ('registered association'; {{lang|de|e.V.}}), a legal status for a registered voluntary association in Germany and Austria
Enterprise Village, an educational program co-managed by the Stavros Institute in Pinellas County, Florida
{{lang|la|Era vulgaris}}, pseudo-Latin for the Common Era
EuroVelo, a network of long-distance cycling routes in Europe