| Last Name | First Name | Year Sort descending | City | Section/Speaker Type |
|---|---|---|---|---|
| McCullagh | Peter | 2006 | Madrid | Probability and Statistics |
| Michel | Philippe | 2006 | Madrid | Number Theory |
| Mikhalkin | Grigory | 2006 | Madrid | Geometry |
| Minicozzi | William P. | 2006 | Madrid | Geometry |
| Minsky | Yair | 2006 | Madrid | Topology |
| Monod | Nicolas | 2006 | Madrid | Lie Groups and Lie Algebras |
| Morel | Fabien | 2006 | Madrid | Topology |
| Nebres | Father Ben | 2006 | Madrid | Mathematics Education and Popularization of Mathematics |
| Neeman | Itay | 2006 | Madrid | Logic and Foundations |
| Nemivroski | Arkadi | 2006 | Madrid | Plenary |
| Ngo | Bao-Chau | 2006 | Madrid | Lie Groups and Lie Algebras |
| Niziol | Wieslawa | 2006 | Madrid | Number Theory |
| Nowak | Martin A. | 2006 | Madrid | Applications of Mathematics in the Sciences |
| Nualart | David | 2006 | Madrid | Applications of Mathematics in the Sciences |
| Oh | Yong-Geun | 2006 | Madrid | Geometry |
| Okounkov | Andrei | 2006 | Madrid | Probability and Statistics/Prize winner |
| Ono | Kaoru | 2006 | Madrid | Topology |
| Opdam | E.M. | 2006 | Madrid | Lie Groups and Lie Algebras |
| Osterwalder | Konrad | 2006 | Madrid | Mathematics Education and Popularization of Mathematics |
| Ozawa | Narutaka | 2006 | Madrid | Operator Algebras and Functional Analysis |
| Ozsváth | Peter | 2006 | Madrid | Topology |
| Picard | Dominique | 2006 | Madrid | Probability and Statistics |
| Popa | Sorin | 2006 | Madrid | Plenary |
| Pulvirenti | Mario | 2006 | Madrid | Partial Differential Equations |
| Quarteroni | Alfio | 2006 | Madrid | Plenary |