L
- Selma Lagerlöf (1859–1940), Swedish author
- Lori L. Lake (b. 1960), American author
- D. H. Lawrence (1885–1930), English author, wrote The Rainbow (1915)
- Lawrence La Fountain-Stokes (b. 1968), Puerto Rican author, wrote Uñas pintadas de azul/Blue Fingernails (2009)
- David Leavitt (b. 1961), American author, wrote The Lost Language of Cranes (1986)
- Konstantin Leontiev (1831–1891), conservative Russian writer, literary critic and philosopher
- Violette Leduc (1907–1972), French author, wrote La Batarde (1964) and Therese and Isabelle (1966)
- Sara Levi Calderón (b. 1942), Mexican author
- Vernon Lee (1856–1935), French author
- VG Lee (b.1949) English author, wrote 'The Comedienne'.
- Matthew G. Lewis (1775–1818), English author
- José Lezama Lima (1910–1976), Cuban author, wrote Paradiso (1966)
- Ali Liebegott (b. 1971), American author
- Earl Lind (1874-?), Was one of the earliest intersexed individuals to publish their own autobiography in the United States
- Audre Lorde (1934–1992), African American author of Grenadian parents, wrote Zami: A New Spelling of My Name (1982)
- Leah Elizabeth Lucas (b. 1992), American author of Cry Me a Novel, Amy, and Perfect.
- Elizabeth A. Lynn, American author, wrote the Chronicles of Tornor series and The Woman Who Loved the Moon.
Read more about this topic: List Of LGBT Writers