VX or vx may refer to:

Science and technology VX (nerve agent), a neurotoxic chemical warfare agent Chinese VX, structural isomer of VX V-sub x, another organophosphate nerve agent of the V-series VX Nano, a brand of optical mouse by Logitech VX Revolution, a brand of optical mouse by Logitech Yaesu VX series, compact amateur radio handheld transceivers VX (videocassette format), an early consumer videocassette format produced by Panasonic Vx Multiphase Metering Technology for measuring oil, gas and water flowrates without phase separation in oil and gas industry WeChat () colloquially referred to as "VX", a Chinese multi-purpose messaging, social media, and mobile payment app developed by Tencent Apricot VX FT, line of PC-based servers released by Apricot Computers in 1989

Transport ACES Colombia (IATA code VX, 1971-2003), a Colombian airline Codename of the 2013 to 2017 Dodge Viper Exeed VX, a Chinese mid-size SUV Holden Commodore (VX), model of GM Holden's Commodore car Para-Ski VX, a Canadian powered parachute design VX, the speed that allows an aircraft the best angle of climb Virgin America (IATA code VX, 2004-2018), a U.S. airline

Other uses VX (sport), a ball sport RPG Maker VX, an RPG Maker game