| Lam Harry C.S. | McGill University | Canada |
| Lanceri Livio | University of Trieste | Italy |
| Landsberg Greg | Brown University | USA |
| Lane Kenneth | Boston University | USA |
| Larios Francisco | CINVESTAV | Mexico |
| Le Diberder Francois | University Paris 7 | France |
| Leder Gerhard | Institut f. Hochenergiephysik | Austria |
| Lee Bill | Florida State University | USA |
| Lee Sungwon | Texas A&M University | USA |
| Lee-Franzini Juliet | LNF,INFN | Italy |
| Legendre Marie | CEA Saclay | France |
| Lepage G. Peter | Cornell University | USA |
| Levy Aharon | Tel Aviv University | Israel |
| Levy Stephen | University of Chicago | USA |
| Lewis Jonathan | Fermi National Accelerator Laboratory | USA |
| Lhallabi Touria | Faculty of Sciences Agdal, Univ. Mohammed V | Morocco |
| Li Bing An | University of Kentucky | USA |
| Li Hsiang-nan | Academia Sinica | Taiwan |
| Li Jin | University of Science and Technology of China | Japan |
| Li Qizhong | Fermi National Accelerator Laboratory | USA |
| Li Selina | University of Minnesota | USA |
| Libby James | Stanford Linear Accelerator Center | USA |
| Limentani Silvia | Padova University and INFN | Italy |
| Lin Cheng-Ju | Fermi National Accelerator Laboratory | USA |
| Liparteliani Akaki | Tbilisi State University | Georgia |
| Lipkin Harry | Argonne and Weizmann Institute | Israel |
| Lipton Ron | Fermi National Accelerator Laboratory | USA |
| Liss Tony | University of Illinois | USA |
| Lockyer Nigel | University of Pennsylvania | USA |
| Lopez Angel | University of Puerto Rico | USA |
| Lopez-Castro Gabriel | Cinvestav (Center for Research and Advances Studies) | Mexico |
| Louis William | Los Alamos National Laboratory | USA |
| Luci Claudio | Rome University ''La Sapienza'' | Italy |
| Ludwig Jens | University Freiburg | Germany |
| Lusin Sergei | Fermi National Accelerator Laboratory | USA |
| Luth Vera | SLAC - Stanford University | USA |
| Lutz Pierre | CNRS | France |