Fort St. Louis
- Castle of San Luis de Bocachica
- Fort Chambly
- Fort Saint Louis (Illinois)
- Fort Saint Louis (Martinique)
- Fort Saint Louis (Newfoundland)
- Fort Saint-Louis (Texas)
- Fort St. Louis (Guysborough County, Nova Scotia)
- Fort St. Louis (Shelburne County, Nova Scotia)
- Fort de la Corne
- Moose Factory
- Saint Louis (disambiguation)
- Saint-Louis, Senegal
- Saskatchewan