Saint-Eugène (French pronunciation: [sɛ̃t‿øʒɛn]) is a municipality in the Centre-du-Québec region of Quebec. The population as of the Canada 2021 Census was 1,139.

Population trend:

Census	Population	Change (%)
2021	1,139	1.2%
2016	1,126	0.4%
2011	1,131	0.2%
2006	1,133	4.5%
2001	1,084	2.5%
1996	1,058	7.7%
1991	982	2.8%
1986	955	0.2%
1981	953	1.6%
1976	938	5.8%
1971	996	1.4%
1966	982	2.1%
1961	1,003	1.4%
1956	1,017	9.6%
1951	928	5.8%
1941	877	2.6%
1931	900	20.7%
1921	1,135	1.3%
1911	1,120	35.9%
1901	824	21.4%
1891	1,049	101.7%
1881	520	N/A

Mother tongue language (2021)

Language	Population	Pct (%)
French only	1,110	97.4%
English only	10	0.9%
Both English and French	10	0.9%
Other languages	10	0.9%

• List of municipalities in Quebec