Birr

Birr may refer to:

==Places== Birr, County Offaly, a town in Ireland Birr Castle, a castle in Birr, Ireland Birr (UK Parliament constituency), a UK parliamentary constituency in what is now County Offaly, 1885–1918 Birr, Ontario, a community in Middlesex Centre, Ontario, Canada Birr, Switzerland, a municipality in Aargau, Switzerland