Members with the Letter L
- Laabs, Volker -- Germany -- BASF AG
- Labuda, Jan -- Slovakia -- Slovak University of Technology
- Lachinov, B. -- Russia -- Moscow State University
- Lachtermacher, Marly -- Brazil -- Cidade Universitária
- Lacík, Igor -- Slovakia -- Slovak Academy of Sciences
- Lacroix-Desmazes, Patrick -- France -- École Nationale Supérieure de Chimie de Montpellier
- Ladbury, John -- United Kingdom -- University College London
- Ladonin, Dmiry -- Russia -- Moscow State University
- Laesecke, Arno -- United States -- National Institute of Standards & Technology
- Laffont, Madeleine -- Belgium -- European Chemical Industry Council (CEFIC)
- Lago, Regina -- Brazil -- CTAA/Embrapa
- Lago, Claudimir -- Brazil -- Universidade de São Pãulo
- Lagowski, J. -- United States -- University of Texas
- Lahaye, J. -- France -- Centre National de la Recherche Scientifique (CNRS)
- Laibinis, Paul -- United States -- Rice University
- Laitinen, Risto -- Finland -- University of Oulu
- Lajis, Nordin -- Malaysia -- University of Putra
- Lajunen, Lauri -- Finland -- University of Oulu
- Lalah, Joseph -- Kenya -- Kenya Polytechnic University College
- Lamb, James -- United States -- The Weinberg Group, Inc.
- Lamba, Ram -- Puerto Rico
- Lamberty, Andrée -- Belgium -- European Commission - DG Joint Research Centre
- Lampen, Peter -- Germany -- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V.
- Lancashire, Robert -- Jamaica -- University of the West Indies
- Landgraff, Stephan -- Austria -- Technical University Graz
- Lange, Heinz -- Germany
- Langer, Stanley -- United Kingdom -- Science for Development
- Langley, G. -- United Kingdom -- University of Southampton
- Langouche, Florentin -- Belgium -- Solvay, S.A.
- Larive, Cynthia -- United States -- University of Kansas