Saint-Martin (French pronunciation: [sɛ̃ maʁtɛ̃] ⓘ) is a parish municipality in the Beauce-Sartigan Regional County Municipality in the Chaudière-Appalaches region of Quebec, Canada.

Its population is 2,588 as of the Canada 2021 Census.

It is named after Martin of Tours.

In the 2021 Census of Population conducted by Statistics Canada, Saint-Martin had a population of 2,588 living in 1,136 of its 1,226 total private dwellings, a change of 4.5% from its 2016 population of 2,477.

[4] Population trend:[5] Mother tongue language (2021)[6]