LAV or Lav may refer to: Persons Lav, an alternative name for Lava (Ramayana), a son of the Hindu deity Rama and his wife Sita, whose story is told in the Ramayana Lav, translation in some Slavic languages of the name Lev Luis Antonio Valencia, Manchester United winger Lav (singer), the stage name of American singer-songwriter Kalea Little. Science and technology Lavalier microphone, a small microphone with a clip for attaching to clothing software packages for encoding and decoding video and audio files: LAV Filters, a set of open-source DirectShow filters based on FFmpeg Libav, a free software project forked from FFmpeg libavcodec, an audio/video codec library provided by FFmpeg and Libav Live Attenuated vaccine, a vaccine with weakened but still living pathogen Load average, the average of Load (computing) Local As View, a view-based query answering approach to data integration Lymphadenopathy-associated virus, a former name for HIV (human immunodeficiency virus) Vehicles Leisure activity vehicle, a car classification Light Armored Vehicle, another term for Armored car (military) LAV (armoured vehicle), series of armored vehicles made by General Dynamics Land Systems, Canada LAV I, or Armoured Vehicle General Purpose 6x6 LAV II, 8x8 vehicle LAV-25, used by the United States Marine Corps LAV III, 8x8 vehicle LAV 6, modernization of the LAV III Transportation lines Línea Aeropostal Venezolana, an airline of Venezuela Líneas de Alta Velocidad, Spanish high-speed railway lines Madrid–Seville high-speed rail line Madrid–Barcelona high-speed rail line Madrid–León high-speed rail line Madrid–Levante high-speed rail network Córdoba–Málaga high-speed rail line Antequera–Granada high-speed rail line Other uses Lav, Iran, a village in Isfahan Province, Iran Lav pivo, a beer brand in Serbia The Last American Virgin, a 1982 film Let America Vote, a political action organization fighting voter suppression