Sorbonne University (French: Sorbonne Université; la Sorbonne: "the Sorbonne") is a public research university located in Paris, France. The institution's legacy reaches back to 1257 when Sorbonne College was established by Robert de Sorbon as one of the first universities in Europe.

Sorbonne University is considered one of the most prestigious universities in Europe and the world. It has a world-class reputation in academia and industry; as of 2021, its alumni and professors have won 33 Nobel Prizes, six Fields Medals, and one Turing Award.

In the 2021 edition of the Academic Ranking of World Universities, Sorbonne University ranked 35th in the world, placing it as the fourth best university in continental Europe, and third in the fields of Mathematics and Oceanography. In the 2023 edition of QS World University Rankings, the Sorbonne ranked 60th in the world, placing it eighth in continental Europe, 14th in Natural Sciences and Mathematics, and seventh in Classics and Ancient History.

Known for its selectivity, Sorbonne University is one of the most sought after universities by students and researchers from France, Europe, and the French speaking countries. Most notably, Marie Skłodowska-Curie, who came from Poland in 1891 and joined the faculty of sciences of the Sorbonne, was also the first woman to become a professor at the Sorbonne. Marie Curie and her husband Pierre Curie are considered the founders of the modern-day Faculty of Science and Engineering of Sorbonne University.