Témiscouata is a regional county municipality in the Bas-Saint-Laurent region of Quebec, Canada. It is located southeast of Rivière-du-Loup, bordering New Brunswick, and is centred on Lake Témiscouata. Its seat is Témiscouata-sur-le-Lac.

Major industries include forestry, agriculture and maple syrup products.

There are 19 subdivisions within the RCM:

Historical Census Data - Témiscouata Regional County Municipality, Quebec

Year Pop. ±% 1991 23,348 —     1996 23,082 −1.1% 2001 22,420 −2.9%	Year Pop. ±% 2006 21,785 −2.8% 2011 20,572 −5.6% 2016 19,574 −4.9%

Canada Census Mother Tongue - Témiscouata Regional County Municipality, Quebec
Census		Total		French				English				French & English				Other
Year		Responses		Count	Trend	Pop %		Count	Trend	Pop %		Count	Trend	Pop %		Count	Trend	Pop %
2016		19,220		19,025	9.9%	98.99%		100	4.8%	0.52%		35	0.0%	0.18%		60	33.3%	0.31%
2011		20,300		20,115	3.8%	99.09%		105	4.5%	0.52%		35	30.0%	0.17%		45	70.0%	0.22%
2006		21,220		20,915	4.1%	98.56%		110	175.0%	0.52%		50	25.0%	0.24%		145	480.0%	0.68%
2001		21,910		21,805	3.2%	99.52%		40	42.9%	0.18%		40	33.3%	0.18%		25	n/a%	0.11%
1996		22,625		22,525	n/a	99.56%		70	n/a	0.31%		30	n/a	0.13%		0	n/a	0.00%

Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:

• List of regional county municipalities and equivalent territories in Quebec

• Official website