| Last Name | First Name Sort descending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Shah | Nimish A. | 2010 | Hyderabad | Lie Theory and Generalisations |
| Bary | Nina | 1928 | Bologna | Analysis |
| Dyn | Nira | 2006 | Madrid | Numerical Analysis and Scientific Computing |
| Movshovitz-Hadar | Nitsa | 2002 | Beijing | Mathematics Education & Popularization of Mathematics |
| Touzi | Nizar | 2010 | Hyderabad | Mathematics in Science and Technology |
| Elkies | Noam | 1994 | Zurich | Number Theory |
| Nisan | Noam | 1994 | Zurich | Mathematical Aspects of Computer Science |
| Alon | Noga | 1990 | Kyoto | Combinatorics |
| Alon | Noga | 2002 | Beijing | Plenary |
| A'Campo | Norbert | 1974 | Vancouver | Algebraic Geometry |
| Schappacher | Norbert | 2010 | Hyderabad | History of Mathematics |
| Wiener | Norbert | 1920 | Strasbourg | Arithmetic, Algebra, Analysis |
| Wiener | Norbert | 1936 | Oslo | Plenary |
| El Karoui | Noureddine | 2018 | Rio de Janeiro | Probability and Statistics |
| Blumenthal | O. | 1912 | Cambridge | Mechanics, Physical Mathematics, Astronomy |
| Broggi | O. | 1908 | Rome | Philosophy, History, and Didactics |
| Ladyzenskaya | O. | 1983 | Warszawa | Mathematical physics & mechanics |
| Lehto | O. | 1966 | Moskva | Classical analysis |
| Mühlendyck | O. | 1932 | Zurich | Geometry |
| Neugebauer | O. | 1928 | Bologna | Philosophy, History of Mathematics |
| Neugebauer | O. | 1936 | Oslo | Plenary |
| Nicoletti | O. | 1908 | Rome | Arithmetic, Algebra, Analysis |
| Nikodym | O. | 1928 | Bologna | Analysis |
| Onicescu | O. | 1928 | Bologna | Analysis |
| Ostrowski | O. | 1928 | Bologna | Analysis |