TEV may refer to:
- TeV, or teraelectronvolt, a measure of energy
- Total Enterprise Value, a financial measure
- Total Economic Value, an economic measure
- Tobacco etch virus, a plant pathogenic virus of the family Potyviridae.
- Today's English Version, a former name for the Good News Bible
- TEV, a ship prefix for Turbo-electric Vessel, usually with steam driven turbines.
- Thermal expansion valve, a refrigeration system component