| Author | Type |
| Alan Kulwicki | Athlete |
| Akshay Kumar | Actor |
| Sanjay Kumar | Businessman |
| Satish Kumar | Activist |
| Bela Kun | Politician |
| Milan Kundera | Writer |
| Hans Kung | Theologian |
| Mila Kunis | Actress |
| Stanley Kunitz | Poet |
| William Kunstler | Activist |
| Irv Kupcinet | Journalist |
| Aleksandr Kuprin | Writer |
| Charles Kuralt | Journalist |
| Chiaki Kuriyama | Actress |
| Karolina Kurkova | Model |
| Akira Kurosawa | Director |
| Neil Kurshan | - |
| Bill Kurtis | Journalist |
| Howard Kurtz | - |
| Paul Kurtz | Philosopher |
| Swoosie Kurtz | Actress |
| Ray Kurzweil | Inventor |
| Kanya Kusano | Physicist |
| Polykarp Kusch | Scientist |
| Harold Kushner | Clergyman |
| Emir Kusturica | Director |
| Ashton Kutcher | Actor |
| Lawrence Kutner | - |
| Mikhail Kutuzov | Soldier |
| Abraham Kuyper | Theologian |
| Michelle Kwan | Athlete |
| Ryan Kwanten | Actor |
| Aleksander Kwasniewski | Politician |
| Talib Kweli | Musician |
| Nguyen Cao Ky | Politician |
| Thomas Kyd | Dramatist |
| Aung San Suu Kyi | Activist |
| Daw Aung San Suu Kyi | Activist |
| Jon Kyl | Politician |
