| Knighton, Nan (1) | Knott, Frederick (2) | Knowles, John (1) |
| Kobler, Flip (5) | Koch, Howard E. (1) | Koch, Joanne (1) |
| Kofed, Seana (1) | Kolosova, Galina (1) | Kolsby, Bob (1) |
| Koltes, Bernard-Marie (1) | Kontoyiannis, Tiffany (1) | Kooman, Michael (3) |
| Kopit, Arthur (11) | Koren, David (2) | Korie, Michael (1) |
| Korn, Nicholas (1) | Kornfeld, David (2) | Kornhauser, Barry (5) |
| Korty, Carol (4) | Koste, V. Glasgow (7) | Kraft, Lindsey (2) |
| Kral, Brian (6) | Kramer, Larry (1) | Kramer, Jonathan (1) |
| Kramer, Daniel Elihu (2) | Kramer, Seth (1) | Kraus, Joanna H. (4) |
| Kreidler, Todd (1) | Kreitzer, Carson (2) | Kreutz, Gregg (1) |
| Krieger, Barbara Zinn (1) | Krieger, Henry (2) | Kristof, Jane (1) |
| Kroetz, Franz Xaver (1) | Kron, Lisa (4) | Kruse, Jeremy (1) |
| Kuder, Edna (1) | Kuhn, Tom (1) | Kunin, Alaina (1) |
| Kuntz, John (1) | Kurtti, Casey (1) | Kurtz, Jack (5) |
| Kushner, Tony (2) | Kusugak, Michael (1) | Kuti, Elizabeth (2) |