Laurentian
Laurentian (French: Laurentides or Laurentien) may refer to:
- Relation to Saint Lawrence
- Relation to the Saint Lawrence River
- Laurentia, the craton at the heart of the North American continent
- Canadian Shield, also known as the Laurentian Shield or the Laurentian Plateau.
- The Laurentian Abyss or Abyssal - a trench off the eastern coast of Canada
- The Laurentian Divide, also known as the "Northern Divide", a continental divide in North America
- The Laurentian mountains in Quebec
- Laurentian Upland
- The Laurentides region in Quebec
- Laurentian, Ontario, a neighborhood within Valley East, Ontario
- Laurentien (Quebec City), a borough in Quebec City, Quebec
- Laurentian University in Sudbury, Ontario
- The Laurentian Bank of Canada
- The Laurentian language, a language in the Iroquoian family of languages
- Laurentian Codex, a Russian manuscript
- The Adirondack (train), a train operated by the Delaware & Hudson
- Princess Laurentien of the Netherlands, a member of the Dutch royal family
- Laurentien (art supplies), a Canadian brand of art supplies
- Laurentian System in Star Trek