Langmuir,
Irving Lapworth,
Arthur Le
Châtelier, Henri Louis Leblanc,
Nicolas Lee,
Yuan T. Lehn,
Jean-Marie Leloir,
Luis F Lewis,
Gilbert Newton Libby,
Willard Frank Liebig,
Justus, Baron von Linnett,
John Wilfred Lipscomb,
William Nunn Longuet-Higgins,
Hugh Christopher Lonsdale,
Kathleen (born Yardley)