Saint-Alexandre-de-Kamouraska (French pronunciation: [sɛ̃t‿alɛksɑ̃dʁ də kamuʁaska]) is a municipality in the Canadian province of Quebec, in the Kamouraska Regional County Municipality.

The parish of Saint-Alexandre was founded in the first half of the 19th century.

[1] On January 27, 1968, the westbound Scotian passenger train operated by Canadian National Railway derailed near the Saint-Alexandre-de-Kamouraska station.

The train was operating at about 65 miles per hour (105 km/h) when an axle on the locomotive broke.

[4] The following waterways pass through or are situated within the municipality's boundaries:[1]