| Last Name | First Name | Year | City Sort ascending | Section/Speaker Type |
|---|---|---|---|---|
| Lee | Pengyee | 2006 | Madrid | Mathematics Education and Popularization of Mathematics |
| LeVeque | Randall J. | 2006 | Madrid | Numerical Analysis and Scientific Computing |
| Levermore | David | 2006 | Madrid | Applications of Mathematics in the Sciences |
| Lindenstrauss | Elon | 2006 | Madrid | Ordinary Differential Equations and Dynamical Systems |
| Liu | Xiaobo | 2006 | Madrid | Geometry |
| Luczak | Tomasz | 2006 | Madrid | Combinatorics |
| Mabuchi | Toshiki | 2006 | Madrid | Geometry |
| Maday | Yvon | 2006 | Madrid | Numerical Analysis and Scientific Computing |
| Madsen | Ib | 2006 | Madrid | Plenary |
| Maillet | Jean-Michel | 2006 | Madrid | Mathematical Physics |
| Marito | Marcos | 2006 | Madrid | Mathematical Physics |
| 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 |