Brienno (Brienn in the local variety of Western Lombard) is a comune (municipality) in the Province of Como in the Italian region Lombardy, located about 50 km north of Milan and about 10 km northeast of Como. As of 31 December 2004, it had a population of 445 and an area of 9.1 km².
Brienno borders the following municipalities: Argegno, Carate Urio, Laglio, Nesso, Schignano.
<timeline> Colors=
ImageSize = width:455 height:303 PlotArea = left:50 bottom:50 top:30 right:30 DateFormat = x.y Period = from:0 till:1000 TimeAxis = orientation:vertical AlignBars = justify ScaleMajor = gridcolor:darkgrey increment:1000 start:0 ScaleMinor = gridcolor:lightgrey increment:200 start:0 BackgroundColors = canvas:sfondo
BarData=
PlotData=
PlotData=
TextData=
</timeline>