St. Hyacinth or Saint Hyacinthe may refer to:

People Hyacinth of Caesarea (died 108), early Christian martyr Hyacinth and Protus (martyred 257-9), Christian saints Hyacinth of Poland ( - 1257), Dominican friar and saint Hyacintha Mariscotti (1585–1640), Italian Franciscan nun and saint Giacinto Giordano Ansaloni (1598-1634), Italian Dominican martyred in Japan

Places in Canada Saint-Hyacinthe, Quebec, a city St. Hyacinthe (electoral district), a former federal electoral district in Quebec Saint-Hyacinthe—Bagot, a federal electoral district in Quebec Saint-Hyacinthe (provincial electoral district), a provincial electoral riding in the Montérégie region of Quebec

Sports Saint-Hyacinthe Laser, a former junior ice hockey team in the Quebec Major Junior Hockey League, Canada Saint-Hyacinthe Chiefs, a former minor hockey team in the Ligue Nord-Américaine de Hockey, Canada

Other uses Saint-Hyacinthe railway station, a Via Rail station in Saint-Hyacinthe, Quebec, Canada Saint-Hyacinthe Aerodrome, located just west of Saint-Hyacinthe, Quebec, Canada Cégep de Saint-Hyacinthe, a college of general and vocational education

See also Hyacinth (disambiguation) San Jacinto (disambiguation), "Saint Hyacinth" in Spanish St. Hyacinth's Church (disambiguation)