FIV (disambiguation)

FIV most commonly refers to feline immunodeficiency virus, a species of virus.

FIV could also refer to:

• Italian Sailing Federation, sports governing body
• Quartermaster Administration of the Swedish Armed Forces, Swedish government agency from 1963 to 1968
• Five Star Airlines, a former airline based in Massachusetts, U.S.; see List of defunct airlines of the United States (D–I)