| Titel | Typ |
| Knaak, Richard A. | | |
| Kneidl, Norbert | | |
| Kneifel, Hans | | Perry Rhodan Romane |
| Kneifel, Hans | Pseudonym | Biographie |
| Kneifel, Johannes | | Biographie |
| Knigge, Andreas C. | | Biographie |
| Knight, E. E. | | Biographie |
| Knight, Karsten | | |
| Knight, Katie Gertrude Meridith Wilhelm | | Biographie |
| Knightley, Claire | | |
| Knor, Daniela | | Biographie |
| Koch, Boris | | |
| Koch, Gini | | |
| Koch, Richard | | |
| Ködelpeter, Hans E. | | |
| Koepp, Klaus D. | | |
| Koeppen, Bert | Pseudonym | Biographie |
| Kohlschmidt, Thomas | | Biographie |
| Koke, Jak | | |
| Koke, Jan | | |
| Konecny, Jaromir | | |
| König, Dieter | | |
| Koontz, Dean R. | | Biographie |
| Korb, Markus K. | | |
| Korff, Freya Gräfin von | | Biographie |
| Korfhage, Heike | | |
| Kotzwinkle, William | | |
| Kozlowsky, M. P. | | |
| Kracht, Christian | | Biographie |
| Kraft, Robert | | |
| Kral, Werner A. | | |
| Kramer, Edward E. | | |
| Krämer, Volker | | |
| Kramer-Rolls, Dana | | |
| Krapp, Rudolf | | |
| Krappweis, Tommy | | Biographie |
| Krappweis, Tommy | | Interview |
| Krauss, Lawrence M. | | |
| Krepinsky, Karsten | | |
| Kress, Nancy | | Biographie |
| Kreuzmann, Harry | | |
| Krock, Jeanine | | |
| Kröger, Alexander | | Biographie |
| Krohn, Rolf | | |
| Kroll, Bodo | | Biographie |
| Krouk, Olga A. | | |
| Krüger, Thomas W. | | Biographie |
| Krupkat, Günther | | Biographie |
| Kruschel, Karsten | | |
| Kruse, Axel | | |
| Kruse, Max | | Biographie |
| Kube-McDowell, Michael P. | | |
| Kühnl, Rudolf | | |
| Kuhoric, James Anthony | | |
| Kummer, Tanja | | |
| Kunkel, Thor | | |
| Kushner, Ellen | | Biographie |
| Kusnezow, Sergej | | |
| Kym, J. Noah | | |
| Kyme, Nick | | |
| Kyme, Nick | | |
