Bibern, Solothurn
Bibern was a municipality in the district of Bucheggberg, in the canton of Solothurn, Switzerland.  On 1 January 2014, the former municipalities of Aetigkofen, Aetingen, Bibern, Brügglen, Gossliwil, Hessigkofen, Küttigkofen, Kyburg-Buchegg, Mühledorf and Tscheppach merged to form the new municipality of Buchegg.