Arzano (French pronunciation: [aʁzano]; Breton: An Arzhanaou) is a commune in the Finistère department in Brittany in northwestern France. It lies on the D22 road.

Inhabitants of Arzano are called Arzanois.

Historical population

Year Pop. ±% p.a. 1806 1,757 —     1821 1,834 +0.29% 1831 1,873 +0.21% 1836 1,957 +0.88% 1841 1,801 −1.65% 1846 1,917 +1.26% 1851 1,957 +0.41% 1856 1,874 −0.86% 1861 1,862 −0.13% 1866 1,877 +0.16% 1872 1,779 −0.89% 1876 1,861 +1.13% 1881 1,948 +0.92% 1886 1,952 +0.04% 1891 1,943 −0.09% 1896 1,948 +0.05% 1901 1,851 −1.02%	Year Pop. ±% p.a. 1906 1,917 +0.70% 1911 1,941 +0.25% 1921 1,738 −1.10% 1926 1,839 +1.14% 1931 1,793 −0.51% 1936 1,676 −1.34% 1946 1,766 +0.52% 1954 1,524 −1.83% 1962 1,310 −1.87% 1968 1,206 −1.37% 1975 1,103 −1.27% 1982 1,113 +0.13% 1990 1,224 +1.20% 1999 1,324 +0.88% 2009 1,403 +0.58% 2014 1,385 −0.26% 2020 1,397 +0.14%
Source: EHESS and INSEE (1968-2020)

The village centre is located 9 km (5.6 mi) northeast of Quimperlé. Arzano belongs historically to Vannetais. The river Ellé forms the commune's western border and the river Scorff forms the commune's eastern border.

The commune contains the ruins of the Château de La Roche-Moysan, Château de Kerlarec (19th century) and the 16th century Saint-Laurent church.

• Communes of the Finistère department
• Henri Gouzien, sculptor of Arzano War Memorial

• Base Mérimée: Search for heritage in the commune, Ministère français de la Culture. (in French)
• Mayors of Finistère Association Archived 2021-03-18 at the Wayback Machine (in French)