Encyclopedias, Almanacs, Transcripts, and Maps
- Luce, Henry, III (“Hank”)
- Lucian of Samosata (c. 115–c. 200)
- Luckman, Sid(ney)
- Lucretius(?–c. 55 BCE)
- Ludwig, Daniel Keith
- Ludwig, Daniel Keith (1897–1992)
- Luening, Otto Clarence
- Lugbara
- Lugones, Leopoldo (1874–1938)
- Luhya
- Luís Pereira de Sousa, Washington (1870–1957)
- Luiseño
- Luiseño
- Luisetti, Angelo Enrico ("Hank")
- Luisi, Luisa (1888–1940)
- Luisi, Paulina (1875–1950)
- Lujack, John Christopher, Jr. ("Johnny")
- Luján
- Luján, Virgin of
- Lukács, Georg (1885–1971)