KEV Views 5 meanings found KEV is most often seen as the abbreviation for kilo‑electronvolt, a unit of energy used in particle physics, and it also appears in technical contexts such as key encoded value. Miscellaneous Kilo Electron Volts Key Encoded Value Kilo Electron Volt Kreis Energie Versorgung Academic & Science Kilo-Electron Volt (1000 electron Volts)