Encyclopedias, Almanacs, Transcripts, and Maps
- Leisure Education
- Leisure, Theory of
- Leloir, Luis F. (1906–1987)
- Lelyveld, Arthur Joseph
- Lemmon, John Uhler, III ("Jack")
- Lemon, Meadow George ("Meadowlark")
- LeMond, Greg(ory) James
- Lemus, José María (1911–1993)
- Lenca
- Lenca
- Lencinas, Carlos Wáshington (1889–1929)
- Lend-Lease Program
- Leñero, Vicente (1933–)
- Leng, Alfonso (1894–1974)
- LENGTH MARK
- Lengua
- Lenin, Vladimir Il'ich (1870–1924)
- Leo X 1475–1521 Pope
- Leo XIII, Pope (1810–1903)
- León de la Barra, Francisco (1863–1939)