The siege of Bihać was a three-year-long siege of the northwestern Bosnian town of Bihać by the Army of the Republika Srpska, the Army of the Republic of Serbian Krajina and Bosnian Muslim dissenters led by Fikret Abdić during the 1992–95 Bosnian War. The siege lasted for three years, from June 1992 until 4–5 August 1995, when Operation Storm ended it after the Croatian Army (HV) overran the rebel Serbs in Croatia and northwest of the besieged town.

Bihać is a city and the administrative centre of Una-Sana Canton of the Federation of Bosnia and Herzegovina, an entity of Bosnia and Herzegovina. It is situated on the banks of river Una in northwestern Bosnia and Herzegovina, in the Bosanska Krajina region. In 2013 its population was 56,261.