Poisson is a French surname meaning "fish". Notable people with the surname include:
*
Abel-François Poisson, marquis de Marigny (1727–1781), French nobleman who served as the director general of the King's Buildings
*
Albert Poisson (1868–1893), French alchemist
*
David Poisson (politician) (born 1951), American politician
*
David Poisson (alpine skier) (1982–2017), French alpine skier
*
Émile Poisson (1905–1999), Beninese politician
*
Eric Poisson
Eric Poisson (born July 26, 1965) is a Canadian award-winning physicist specializing in the study of black holes. Poisson is a professor at the University of Guelph as well as an affiliate member of the Perimeter Institute for Theoretical Physi ...
(born 1965), Canadian gravitational physicist
*
Georges Poisson (1924–2022), French art historian
*
Gilles Poisson (born 1947), Canadian professional wrestler
*
Jean-Frédéric Poisson (born 1963), French politician
*
Jeanne Antoinette Poisson, Marquise de Pompadour (1721–1764), better known as Madame de Pompadour, a member of the French court and the official chief mistress of Louis XV
*
Pascal Poisson (born 1958), French cyclist
*
Paul Poisson (actor) (1658–1735), French actor
*
Paul Poisson (politician) (1887–1983), Canadian politician
*
Philippe Poisson (born 1984), better known as Phil Fish, Canadian video game designer
*
Philippe Poisson (actor) (1682–1743), French actor and playwright
*
Pierre-Marie Poisson (1876–1953), French sculptor and medallist
*
Raymond Poisson (1630–1690), French actor and playwright
*
Siméon Denis Poisson
Baron Siméon Denis Poisson (, ; ; 21 June 1781 – 25 April 1840) was a French mathematician and physicist who worked on statistics, complex analysis, partial differential equations, the calculus of variations, analytical mechanics, electricity ...
(1781–1840), French mathematician, geometer, and physicist
{{surname
French-language surnames