Adv. or ADV may refer to:
- Adventure
- Adventure type of visual novel
- Adverb
- Adverbial case
- Adversary in law; see Adversarial system
- Advertising
- Advocate
- A.D. Vision, a defunct multimedia entertainment company based in Houston, Texas, and its subsidiaries:
- Acoustic Doppler velocimetry, in flow measurement
- Acoustic droplet vaporization
- Aleutian disease Virus, a disease of ferrets and minks, or the virus that causes it
- Andover Airfield, Hampshire, UK (IATA airport code)
- Andover railway station (England), UK (National Rail code)
- Australian Defence Vessel, a non-commissioned vessel in the Royal Australian Navy