A probabilist is either a mathematician specializing in probability theory, or one who espouses probabilism in theology or philosophy.

List of probabilists (i.e., mathematicians working in probability theory):

• Thomas Bayes, British mathematician and Presbyterian minister, known for Bayes' theorem.
• Jakob Bernoulli
• Émile Borel
• Abraham de Moivre
• William Feller
• Bruno de Finetti, Italian probabilist and statistician
• Edwin Jaynes
• Andrey Nikolaevich Kolmogorov
• Pierre-Simon Laplace
• Paul Pierre Lévy
• Richard von Mises
• Norbert Wiener

See also: list of statisticians