| Titel | Typ |
| LaFevers, Robin | | |
| Laidlaw, Marc | | Biographie |
| Laimo, Michael | | |
| Lain, T. H. | Pseudonym | |
| Lake, Jay | | |
| Lake, Nick | | |
| Lamont, Robert | | Verlagspseudonym |
| Lanagan, Margo | | |
| Lancester, Peter | | |
| Landers, Kim | | |
| Landy, Derek | | |
| Lane, Andrew | | |
| Lane, Andy | | |
| Lang, Jeffrey | | |
| Lang, Jeffrey | | |
| Lang, Julie | | |
| Lang, King | | Gemeinschaftspseudonym |
| Lang, Mara | | |
| Lange, John Frederick jr. | | Biographie |
| Langen, Annette | | Biographie |
| Langer, Siegfried | | |
| Langhans, Heiko | | Biographie |
| Lanier, Sterling E. | | Biographie |
| Lankers, Katrin | | |
| Lansdale, Joe R. | | |
| Lantry, Mike | Pseudonym | Biographie |
| Larbalestier, Justine | | Biographie |
| Larrabeiti, Michael de | | |
| LaSalle, Victor | | Verlagspseudonym |
| Laßwitz, Kurd | | |
| Latham, Philip | Pseudonym | Biographie |
| Laue, Mara | | |
| Laumer, Keith | | Biographie |
| Laurenston, Shelly | | |
| Laurie, Victoria | | |
| Lautenschlag, Marockh | | |
| Lawhead, Stephen | | |
| Lawrence, P. | Pseudonym | Biographie |
| Lawson, Chet | Pseudonym | Biographie |
| Lawson, Susan | Pseudonym | Biographie |
| Laymon, Richard Carl | | Biographie |
| Lazarowitz, Steve | | |
| Leavitt, Martine | | |
| Lebbon, Tim | | |
| Lebelle, George | | |
| Lebow, Jess | | |
| Lechner, Auguste | | |
| Lee, Charles | Pseudonym | |
| Lee, Edward | | |
| Lee, Jeamy | | |
| Lee, Julianne | | Biographie |
| Lee, Mike | | |
| Lee, Sharon | | Biographie |
| Lee, Tanith | | Biographie |
| Leffler, Silke | | |
| LeGuin, Ursula K. | | Biographie |
| Lehmann, Christine | | Biographie |
| Lehmann, Ralf | | Biographie |
| Lehner, Stefan | | |
| Lehner, Wilhelm | | |
| Lehr, Thomas | | Biographie |
| Leiber, Fritz | | |
| Leichthammer, Karin | | |
| Leisner, William | | |
| Leith, Valery | Pseudonym | |
| Lem, Stanislaw | | Biographie |
| Lem, Stanislaw | | Kurzgeschichten in Sammlungen |
| L'Engle, Madeleine | | |
| Lenz, John M. | | |
| Leo, Ruggero | | |
| Lessing, Doris May | | Biographie |
| Lester, Martin | Pseudonym | Biographie |
| Lethem, Jonathan | | |
| Leuffen, Renata | | |
| Levin, Ira Marvin | | |
| Levine, Gail Carson | | |
| Levithan, David | | |
| Levitin, Sonia | | |
| Levitski, Andrei | | |
| Lewis, Clive Staples | | Biographie |
| Lewis, Jon S. | | |
| Lewis, Sam | | Biographie |
| Liath, Claudia | | |
| Liberge, Éric | | Interview |
| Lichtenstein, Thea | | |
| Liersch, Rolf W. | | |
| Ligotti, Thomas | | |
| Lim, Rebecca | | |
| Lim, Rebecca | | |
| Limbach, Vilja | | |
| Linaweaver, Brad | | |
| Linck, Marc | | |
| Lindberg, Cara | | |
| Lindgren, Astrid | | Biographie |
| Lindholm, Megan | Pseudonym | Biographie |
| Lindqvist, John Ajvide | | |
| Lindsay, David | | |
| Linebarger, Paul Myron Anthony | | Biographie |
| Link, Hans-Stephan | | |
| Linke, André | | Interview |
| Linke, André | Pseudonym | |
| Linke, Wolf | | |
| Lisle, Holly | | |
| Little, Bentley | | |
| Liu, Marjorie M. | | |
| Livingston, Jerzy | Pseudonym | |
| Livingstone, Ian | | Biographie |
| Ljungqvist, Stefan | | |
| Lloyd, Nigel | Pseudonym | Biographie |
| Lloyd, Robert | Pseudonym | Biographie |
| Lloyd, Tom | | |
