Members for United States
- Laesecke, Arno -- National Institute of Standards & Technology
- Lagowski, J. -- University of Texas
- Laibinis, Paul -- Rice University
- Lamb, James -- The Weinberg Group, Inc.
- Larive, Cynthia -- University of Kansas
- Lawlor, Bonnie -- National Federation of Abstracting and Information Services (NFAIS)
- LeClair, Paul -- IUPAC Secretariat
- Lee, Ki-Soo -- LG Chem
- Lehmann, H. -- Louisiana State University Medical Center
- Lehotay, Steven -- U.S. Department of Agriculture
- Leon, Carlos -- Hexcel Corporation
- Leonard, Nelson
- Lerman, Zafra -- Columbia College
- Levine, Harry -- Kraft Foods, Inc.
- Levis, Robert -- Temple University
- Levon, Kalle -- Polytechnic University of New York
- Lide, David -- CRC Handbook of Chemistry and Physics
- Lieber, Charles -- Harvard University
- Liebman, Michael -- Strategic Medicine, Inc.
- Lin, Jerry -- University of Cincinnati
- Lindner, Erno -- University of Memphis
- Lindstrom, Richard -- National Intitute of Science & Technology
- Linstrom, Peter -- National Institute of Standards & Technology
- Lizzio, Anthony -- Illinois State Geological Survey
- Lodge, Timothy -- University of Minnesota
- Long, Timothy -- Virginia Polytechnic Institute
- Long, Jeffrey -- University of California
- Lowe, Andrew -- University of Southern Mississippi
- Luscombe, Christine -- University of Washington
- Lymar, Sergei -- Brookhaven National Laboratory