Saint-Camille-de-Lellis is a parish in the Les Etchemins Regional County Municipality in Quebec, Canada.

It is part of the Chaudière-Appalaches region and the population is 737 as of the Canada 2021 Census.

It is named after Saint Camillus de Lellis, but also commemorates Reverend Camille-Stanislas Brochu, first priest of the parish.

Saint-Camille-de-Lellis lies on the Canada–United States border.

In the 2021 Census of Population conducted by Statistics Canada, Saint-Camille-de-Lellis had a population of 737 living in 380 of its 458 total private dwellings, a change of -2% from its 2016 population of 752.