- L'Engle, Madeleine
- L'Heureux, John
- Labatut, Benjamin
- Lachenmeyer, Nathaniel
- LaCombe, M. A., ed.
- LaCombe, Michael
- Laffitte, Sophie
- Lagerkvist, Par
- Lagomarsino, Nancy
- Lahiri, Jhumpa
- Lahti, Christine
- Lakoff, George
- Lam, Vincent
- Lamb, Cynthia
- Lamb, Wally
- Lamos, Mark
- Lamott, Anne
- Lampert, Don
- Lancashire, Sarah
- Lanchester, Elsa
- Landolfi, Tomasso
- Landvik, Lorna
- Lane Fox, Robin
- Lang, James
- Lange, Jessica
- LaPlante, Alice
- Laqueur, Thomas Walter
- Larkin, Joan
- Larkin, Philip
- Larsen, Nella
- Larson, Heidi J.
- Larson, Kate
- Larsson, Asa
- LaScala, Susan
- Lasdun, James
- Lau, Alan Chong
- Laurence, Margaret
- Laurier, Lucie
- Law, Jude
- Lawrence, D. H. (David Herbert)
- Lawson, Henry
- Layton, Elizabeth
- Layton, Elizabeth
- Le Bihan, Samuel
- Le Carré, John
- Leachman, Cloris
- Leavitt, David
- Leavitt, Sarah
- LeBrecht, James
- Leconte, Patrice
- Ledger, Kate
- Lee, Ang
- Lee, Chang-rae
- Lee, Harper
- Lee, Harper
- Lee, Kaiulani
- Lee, Li-Young
- Leffland, Ella
- LeGuin, Ursula
- Lehane, Dennis
- Lehrer, Riva
- Leigh, Mike
- Lemon, Genevieve
- Lenahan, Patricia
- Lennox, Charlotte
- Leon, Philip
- Lepage, Marquise
- LePage, Robert
- Lerner, Barron
- LeRoy, Melvin
- Lessard, Suzannah
- Lesser, Elizabeth
- Lesser, Rika
- Lessing, Doris
- Lethem, Jonathan
- Leto, Jared
- Levenkron, Steven
- Levenson, Steven
- Levertov, Denise
- Levi, Carlo
- Levi, Primo
- Levin, Dana
- Levin, Meryl
- Levin, Meryl
- Levine, Carol
- Levine, Jonathan
- Levine, Philip
- Levinson, Barry
- Levy, Aaron
- Lewis, C. S. (Clives Staples)
- Lewis, Henry Clay
- Lewis, Juliette
- Lewis, Richard
- Lewis, Sinclair
- Lichtenstein, Mitchel
- Lidén, Anki
- Lieberman, Michael
- Lifshitz, L. H., ed.
- Lifton, Robert
- Light, Allie
- Lightman, Alan
- Lillard, Matthew
- Linden, David
- Lindon, Vincent
- Lindsay-Hogg, Michael
- Link, Aaron
- Link, Caroline
- Linney, Laura
- Linton, Simi
- Liotta, Ray
- Lipman, Mark
- Lipman, Mark
- Lipman, Mark
- Litvak, Anatole
- Livesey, Margot
- Liveson, Jay
- Livingstone, Douglas
- Lobo Antunes, Antonio
- Lodge, David
- London, Jack
- Lonergan, Kenneth
- Long, David
- Long, Nia
- Lorca, Federico Garcia
- Lord, Catherine
- Lorde, Audre
- Lowell, Robert
- Lowenstein, Jerome
- Lown, Bernard
- Lowry, Lois
- Lowry, Malcolm
- Loy, Myrna
- Lucas, Laurent
- Ludmerer, Kenneth
- Lugosi, Bela
- Luiselli, Valeria
- Luke, Derek
- Luna, Diego
- Lundkvist, Artur
- Lung, Sihung
- Luria, A. R. (Aleksandr Romanovich)
- Lurie, Alison
- Lux, Thomas
- Lynch, David
- Lynch, John
- Lynch, Susan
- Lynch, Thomas
- Lynn, Tracy