| Last Name | First Name | Year | City Sort descending | Section/Speaker Type |
|---|---|---|---|---|
| Kopell | N. | 1983 | Warszawa | New Applications of Mathematics |
| Kurzanskii | A. B. | 1983 | Warszawa | Control Theory & Optimization |
| Kuznetsov | Yu. A. | 1983 | Warszawa | Numerical methods |
| Ladyzenskaya | O. | 1983 | Warszawa | Mathematical physics & mechanics |
| Lasota | A. | 1983 | Warszawa | Ord. diff. equations & dynamical systems |
| Lax | P. D. | 1983 | Warszawa | Plenary |
| Letichevsky | A. A. | 1983 | Warszawa | Computer & information sciences |
| Lin | Wen-Hsiung | 1983 | Warszawa | Topology |
| Lions | Pierre-Louis | 1983 | Warszawa | Control Theory & Optimization |
| Loeb | P.A. | 1983 | Warszawa | Mathematical logic & foundations of mathematics |
| Lovász | László | 1983 | Warszawa | Combinatorics |
| Lusztig | George | 1983 | Warszawa | Lie groups & representations |
| MacPherson | R. D. | 1983 | Warszawa | Plenary |
| Majda | A. | 1983 | Warszawa | Part. Diff. Equations |
| Malliavin | P. | 1983 | Warszawa | Prob & math. stats. |
| Mandelbrot | B. B. | 1983 | Warszawa | New Applications of Mathematics |
| Mandl | P. | 1983 | Warszawa | Prob & math. stats. |
| Mane | Ricardo | 1983 | Warszawa | Ord. diff. equations & dynamical systems |
| Maslov | V.P. | 1983 | Warszawa | Plenary |
| Masser | D.W. | 1983 | Warszawa | Number Theory |
| Mazur | B. | 1983 | Warszawa | Plenary |
| Meyer | Y. | 1983 | Warszawa | Real & Func. Analy. |
| Micchelli | C. A. | 1983 | Warszawa | Numerical methods |
| Misiurewicz | M. | 1983 | Warszawa | Ord. diff. equations & dynamical systems |
| Mori | Shigefumi | 1983 | Warszawa | Algebraic Geometry |