1. Kovel, Joel
  2. Keracher, John
  3. Kester, Howard
  4. Katayama, Sen
  5. Konikow, Antoinette Bucholz
  6. Kupferberg, Tuli and The Fugs
  7. Korsch, Karl
  8. Kochiyama, Yuri
  9. Krassner, Paul
  10. Kailin, Clarence Schwid
  11. Knights of Labor
  12. Kelly, Harry
  13. Burke, Kenneth Duva
  14. Kelley, Florence
  15. Keller, Helen
  16. Khrushchev Revelations
  17. King, Carol Weiss