Pierre Langlois may refer to:
- Pierre Langlois (economist), Canadian economist and political strategist
- Pierre Langlois (canoeist) (born 1958), French sprint canoer
- Pierre Langlois (philatelist) (1909–1990), French chemist
- Pierre Langlois (politician) (1750–1830), politician in Lower Canada
This disambiguation page lists articles about people with the same name.
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