Saint-Hyacinthe (/ ... ˈhaɪ.əsɪnθ/ ... HY-ə-sinth, French: [sɛ̃t‿ijasɛ̃t]) is a city in southwestern Quebec east of Montreal on the Yamaska River.

Saint-Hyacinthe hosts numerous agriculture related events such as fairs, exposition and congresses and acts a hub in the field.

[15] In addition, it is also home to Orgues Létourneau and Casavant Frères, builders of pipe organs, and Intact Financial, formerly known as ING Canada.

The Centre d'exposition Expression is a museum in Saint-Hyacinthe whose mission is to promote and disseminate contemporary and current art.

[19] The South Shore Protestant Regional School Board previously served the municipality.

[20] In association with the Université de Montréal, Saint-Hyacinthe is home to the only veterinary medicine faculty of Quebec and the only such school in North America where teaching is provided in French.

From 1989 to 1996 the city had a team in the Quebec Major Junior Hockey League known as the Saint-Hyacinthe Laser.