Barr may refer to:
Places Barr (placename element), element of place names meaning 'wooded hill', 'natural barrier' Barr, Ayrshire, a village in Scotland Barr Building (Washington, DC), listed on the US National Register of Historic Places Barr Castle, ruin in Renfrewshire, Scotland Barr Castle, in Galston, East Ayrshire, Scotland Barr, Bas-Rhin, a commune of the Bas-Rhin département in France Barr Township, Daviess County, Indiana, US Barr Township, Cambria County, Pennsylvania, US
Companies A.G. Barr, a Scottish soft drinks manufacturer Barr Construction Ltd, a Scottish construction company Barr Pharmaceuticals, a generic drug manufacturer that was acquired by Teva Pharmaceutical in 2008
People Barr (surname) Barr McClellan, American author Brendan Fowler, a.k.a. BARR, American musician Barr (tribe), a people in southwest Asia
Other uses Barr body, the inactive chromosome in a somatic cell Al-Barr, one of the names of God in Islam
See also Barre (disambiguation) Bar (disambiguation)