Look up poisson in Wiktionary, the free dictionary.

Poisson may refer to:

• Siméon Denis Poisson, French mathematician
• Eric Poisson, Canadian physicist

• Poissons, a commune of Haute-Marne, France
• Poisson, Saône-et-Loire, a commune of Saône-et-Loire, France

• Poisson (surname), a French surname
• Poisson (crater), a lunar crater named after Siméon Denis Poisson
• The French word for fish

• Adolphe-Poisson Bay, a body of water located to the southwest of Gouin Reservoir, in La Tuque, Mauricie, Quebec
• Poisson distribution, a discrete probability distribution named after Siméon Denis Poisson
• Poisson's equation, a partial differential equation named after Siméon Denis Poisson
• List of things named after Siméon Denis Poisson
• Poison (disambiguation)

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