Poisson may refer to:
People Siméon Denis Poisson, French mathematician Eric Poisson, Canadian physicist
Places Poissons, a commune of Haute-Marne, France Poisson, Saône-et-Loire, a commune of Saône-et-Loire, France
Other uses Poisson (surname), a French surname Poisson (crater), a lunar crater named after Siméon Denis Poisson The French word for fish
See also 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)