Saint-Donat () is a parish municipality in La Mitis Regional County Municipality in the Bas-Saint-Laurent region of Quebec, Canada. Its population in the Canada 2021 Census was 835.
Saint-Donat was originally a sector of Sainte-Luce. Saint-Donat split from Sainte-Luce in 1869 to became the parish municipality of Saint-Donat. The original economic vocation of Saint-Donat was based almost entirely on forestry, as evidenced by the many remnants of the sawmills that once dotted the area. Later, like many other towns in the region, agriculture became the main activity.
Writer Rejean Pigeon is from the area and one of his novel is set in Saint-Donat.
In the 2021 Census of Population conducted by Statistics Canada, Saint-Donat had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021.
Population trend:
Mother tongue language (2021)