MAV
MAV is an abbreviation for:
- Magyar Államvasutak , spelling MÁV , the Hungarian state railway
- Membrane anti-siphon valve , a protection valve for heating oil storage tanks
- Micro Air Vehicle , a type of drone
- Minoan Air , a Greek airline (ICAO code)
- Employee representation , company interest representation according to church labor law
- Oral-antral connection , a connection between the oral and maxillary sinuses