| Last Name | First Name Sort ascending | Year | City | Section/Speaker Type |
|---|---|---|---|---|
| Perron | O. | 1928 | Bologna | Analysis |
| Spiess | O. | 1936 | Oslo | Logic, Philosophy, and History |
| Szász | O. | 1928 | Bologna | Analysis |
| Taussky | O. | 1936 | Oslo | Algebra and Number Theory |
| Tedone | O. | 1908 | Rome | Mechanics, Physical Mathematics, Astronomy |
| Volk | O. | 1928 | Bologna | Geometry |
| Zariski | O. | 1928 | Bologna | Geometry |
| Zariski | O. | 1950 | Cambridge (USA) | Algebraic Geometry |
| Zeitouni | O. | 2002 | Beijing | Prob & Stats |
| El Karoui | Noureddine | 2018 | Rio de Janeiro | Probability and Statistics |
| 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 |
| Alon | Noga | 1990 | Kyoto | Combinatorics |
| Alon | Noga | 2002 | Beijing | Plenary |
| Elkies | Noam | 1994 | Zurich | Number Theory |
| Nisan | Noam | 1994 | Zurich | Mathematical Aspects of Computer Science |
| Touzi | Nizar | 2010 | Hyderabad | Mathematics in Science and Technology |
| Movshovitz-Hadar | Nitsa | 2002 | Beijing | Mathematics Education & Popularization of Mathematics |
| Dyn | Nira | 2006 | Madrid | Numerical Analysis and Scientific Computing |
| Bary | Nina | 1928 | Bologna | Analysis |
| Shah | Nimish A. | 2010 | Hyderabad | Lie Theory and Generalisations |
| Dencker | Nils | 2010 | Hyderabad | Partial Differential Equations |
| Sakellariou | Nilos | 1920 | Strasbourg | Arithmetic, Algebra, Analysis |