Gouesnou (French pronunciation: [ɡwenu]; Breton: Gouenoù) is a commune in the Finistère department of Brittany in north-western France.

Gouesnou is a satellite town of Brest. Gouesnou is twinned with the town of Brecon in Powys, mid Wales, enabling cultural exchanges to take place between these two Celtic regions.

The Penfeld River has its source in this commune.

Inhabitants of Gouesnou are known in French as Gouesnousiens.

Historical population

Year Pop. ±% p.a. 1793 1,153 —     1800 1,191 +0.46% 1806 1,327 +1.82% 1821 1,264 −0.32% 1831 1,525 +1.89% 1836 1,597 +0.93% 1841 1,515 −1.05% 1846 1,509 −0.08% 1851 1,514 +0.07% 1856 1,454 −0.81% 1861 1,425 −0.40% 1866 1,479 +0.75%	Year Pop. ±% p.a. 1872 1,494 +0.17% 1876 1,478 −0.27% 1881 1,474 −0.05% 1886 1,417 −0.79% 1891 1,462 +0.63% 1896 1,511 +0.66% 1901 1,390 −1.66% 1906 1,394 +0.06% 1911 1,424 +0.43% 1921 1,411 −0.09% 1926 1,382 −0.41% 1931 1,305 −1.14%	Year Pop. ±% p.a. 1936 1,316 +0.17% 1946 1,528 +1.50% 1954 1,829 +2.27% 1962 2,141 +1.99% 1968 2,543 +2.91% 1975 3,040 +2.58% 1982 4,061 +4.22% 1990 5,417 +3.67% 1999 6,042 +1.22% 2007 6,228 +0.38% 2012 5,982 −0.80% 2017 6,116 +0.44%
Source: EHESS and INSEE (1968-2017)

In 2008, 8.32% of primary-school children attended bilingual schools, where Breton language is taught alongside French.

• Communes of the Finistère department

• Official website (in French)
• Base Mérimée: Search for heritage in the commune, Ministère français de la Culture. (in French)
• Mayors of Finistère Association (in French)