Cognomen Saint-Lager (Saint-Lager 
) , all around the world, is a very rare family name. The cognomen Saint-Lager is characteristic of Western Europe, particularly France, where it is a rare surname. Much less frequently, Saint-Lager is the forename as well as the last name. Parts of the name also exists independently as a first name Saint, and a last name Lager.
| VARIANT | COUNTRY |
|---|---|
| Saint-Lager | France |
| jean baptiste saint-lager French physician, botanist and librarian (1825–1912), FR (b. 1825) |
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| claire de saint-lager French essayist |
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