| Piloto | País | Nacimiento | Vict. | Poles | Títulos | Equipos |
|---|---|---|---|---|---|---|
| Oswald Karch | Alemania | 1917 | 0 | 0 | — | — |
 Narain Karthikeyan | India | 1977 | 0 | 0 | — | — |
 Ukyō Katayama | Japón | 1963 | 0 | 0 | — | — |
 Ken Kavanagh | Australia | 1923 | 0 | 0 | — | — |
 Rupert Keegan | Reino Unido | 1955 | 0 | 0 | — | — |
| Eddie Keizan | Sudáfrica | 1944 | 0 | 0 | — | — |
| Al Keller | Estados Unidos | 1920 | 0 | 0 | — | — |
 Joe Kelly | Irlanda | 1913 | 0 | 0 | — | — |
 Loris Kessel | Suiza | 1950 | 0 | 0 | — | — |
 Nicolas Kiesa | Reino de Dinamarca | 1978 | 0 | 0 | — | — |
 Jordan King | Reino Unido | 1994 | 0 | 0 | — | — |
 Leo Kinnunen | Finlandia | 1943 | 0 | 0 | — | — |
| Danny Kladis | Estados Unidos | 1917 | 0 | 0 | — | — |
 Hans Klenk | Alemania | 1919 | 0 | 0 | — | — |
| Peter de Klerk | Sudáfrica | 1935 | 0 | 0 | — | — |
 Christian Klien | Austria | 1983 | 0 | 0 | — | — |
 Karl Kling | Alemania | 1910 | 0 | 0 | — | — |
 Ernst Klodwig | Alemania | 1903 | 0 | 0 | — | — |
| Ray Knepper | Estados Unidos | 1920 | 0 | 0 | — | — |
 Kamui Kobayashi | Japón | 1986 | 0 | 0 | — | — |
 Helmuth Koinigg | Austria | 1948 | 0 | 0 | — | — |
 Heikki Kovalainen | Finlandia | 1981 | 1 | 1 | — | Lotus Racing |
| Mikko Kozarowitzky | Finlandia | 1948 | 0 | 0 | — | RAM Racing |
| DDRudolf Krause | Alemania Oriental | 1907 | 0 | 0 | — | — |
 Robert Kubica | Polonia | 1984 | 1 | 1 | — | Alfa Romeo, Renault F1 Team, Williams Racing |
| Masami Kuwashima | Japón | 1950 | 0 | 0 | — | — |
 Daniil Kvyat | Italia | 1994 | 0 | 0 | — | Scuderia Toro Rosso |