The Turcotte River is a tributary of the Turgeon River flowing in Canada in:

• Cochrane District, Northeastern Ontario;
• Eeyou Istchee Baie-James (municipality), in the Township of Dieppe.

The surface of the river is usually frozen from early November to mid-May, but safe circulation on the ice generally occurs from mid-November to the end of April.

The main hydrographic slopes adjacent to the Turcotte River are:

• North side: Little Turcotte River, Detour River;
• East side: Turgeon River, Garneau River;
• South side: Burntbush River, Kabika River;
• West side: Chabie River, Burntbush River.

The Turcotte River originates at the mouth of Upper Turcotte Lake (length: 1.1 kilometres (0.68 mi); altitude: 311 metres (1,020 ft)) in the eastern part of the Cochrane District, in Ontario.

The mouth of Upper Turcotte Lake is located at:

• 20.4 kilometres (12.7 mi) at west of the boundary between Ontario and Quebec;
• 28.1 kilometres (17.5 mi) at northwest of the mouth of the Turcotte River (confluence with the Turgeon River);
• 55.7 kilometres (34.6 mi) at southwest of the mouth of the Turgeon River (in Quebec);
• 67.4 kilometres (41.9 mi) at southeast of a southern bay of Kesagami Lake in Ontario.

From the mouth of the Upper Turcotte Lake, the Turcotte River runs on 51.1 kilometres (31.8 mi) in the following segments:

• 1.6 kilometres (0.99 mi) southeast to a stream (coming from the north);
• 9.8 kilometres (6.1 mi) southwest to the western discharge of two unidentified lakes;
• 2.8 kilometres (1.7 mi) to the south-east by crossing marsh areas to the outlet of Lake Walford (coming from the Northeast);
• 6.5 kilometres (4.0 mi) southeast to the confluence of the Little Turcotte River (coming from the northwest);
• 2.9 kilometres (1.8 mi) southeasterly to the mouth of Lake Sigal (length: 1.1 kilometres (0.68 mi); altitude: 273 metres (896 ft)) the current crosses eastward on 0.2 kilometres (0.12 mi) the northern part;
• 9.5 kilometres (5.9 mi) northeast by collecting a creek (from the north), then the east, to a stream (coming from the northwest);
• 5.6 kilometres (3.5 mi) at southward by winding to the northern limit of the Township of Bradette;
• 1.9 kilometres (1.2 mi) southward in the Township of Bradette, to the discharge (coming from the northwest) of Lake Poulos;
• 2.3 kilometres (1.4 mi) at south to the boundary between Ontario and Quebec.

The Turcotte River flows to the northwest bank of the Turgeon River. This confluence is located at: southwest of the mouth of the Turgeon River (confluence with the Harricana River);

• 1.0 kilometre (0.62 mi) at east of the boundary between Quebec and Ontario;
• 87.1 kilometres (54.1 mi) at west of the center of the village of Joutel, Quebec, in Quebec;
• 82.3 kilometres (51.1 mi) at north of downtown La Sarre, Quebec, in Quebec.

The term "Turcotte" is a surname of family of French origin.

The name "Rivière Turcotte" was officialized on December 5, 1968, at the Commission de toponymie du Québec, or at the creation of this commission.

• Cochrane District, an administrative district of Ontario
• Northeastern Ontario
• Eeyou Istchee Baie-James (municipality)
• Little Turcotte River, a stream
• Turgeon River, a stream
• Harricana River, a watercourse
• James Bay, a body of water
• List of rivers of Ontario
• List of rivers of Quebec