AIV

AIV may refer to:

• Aimco, NYSE symbol AIV, an American operator of apartment communities
• AIV fodder, a kind of acidified silage
• Bavarian A IV, an 1852 German steam locomotive model
• George Downer Airport (IATA: AIV) serving Aliceville, Alabama, USA
• Panoz AIV Roadster, an American automobile
• Angiotensin IV (angiotensin 4)