Tav

Tav or TAV may refer to:

• Tav (number), in set theory the collection of all cardinal numbers
• The Advanced Visualizer, a 3D graphics software package
• Tomato aspermy virus, a plant virus
• Tropical Atlantic Variability, in meteorology
• Ti-6Al-4V, a titanium alloy containing aluminum and vanadium
• Tire Assault Vehicle, a small teleoperated vehicle used to test Space Shuttle tires

• Tav Falco (born 1945), American musical performer, performance artist, actor, filmmaker and photographer
• Octavio M. Salati (1914–2001), American engineer, academic and educator

• TAV, IATA airport code for Tau Airport, American Samoa
• TAV, airline code for Compañía de Servicios Aéreos Tavisa
• TAV-8B, the two-seat version of the McDonnell Douglas AV-8B Harrier II aircraft
• TAV Airports Holding (Tepe Akfen Ventures), a Turkish airport operator
• Treno Alta Velocità, the a special-purpose entity working name for the Italian high-speed rail network
• TAV RJ-SP, the far future possible Brazilian Rio–São Paulo high-speed rail system

• tav, ISO 639-3 code for the Tatuyo language of Colombia
• Tav (letter), the last letter of many Semitic abjads
• The Artists Village, an experimental arts group in Singapore
• Toon-A-Vision channel