三河市（法语：Trois-Rivières）是加拿大魁北克省的一座城市，位于温莎-魁北克走廊中，圣劳伦斯河同圣莫里斯河交汇处。城市始建于1634年，是新法兰西仅次于魁北克市的第二个永久居住点。人口约13万。

城市位于圣劳伦斯河北岸，处于魁北克市和蒙特利尔市的中间。因为圣莫里斯河汇入圣劳伦斯河的地方分流形成三个河口而得名。

三河市的主要工业为造纸业，另外还有电子、食品加工和金属锻造等行业。靠近三河机场的工业园区也有航空工业。

魁北克大学在三河有一所分校──-魁北克大学三河分校（UQTR）。

Trois-Rivières (French pronunciation: ​[tʁwɑ.ʁi.vjɛʁ], local pronunciation: [tʁwɔ.ʁi.vjaɛ̯ʁ]) is a city in the Mauricie administrative region of Quebec, Canada, located at the confluence of the Saint-Maurice and Saint Lawrence Rivers, on the north shore of the Saint Lawrence River across from the city of Bécancour. It is part of the densely populated Quebec City–Windsor Corridor and is approximately halfway between Montreal and Quebec City. Trois-Rivières is the economic and cultural hub of the Mauricie region. It was founded on July 4, 1634, the second permanent settlement in New France, after Quebec City in 1608.