| Driver | Number | Code | DOB | Nationality |
|---|---|---|---|---|
| Driver | Number | Code | DOB | Nationality |
|---|---|---|---|---|
| Jyrki Järvilehto | — | — | 31 January 1966 | Finnish |
| Jérôme d'Ambrosio | — | DAM | 27 December 1985 | Belgian |
| Kamui Kobayashi | 10 | KOB | 13 September 1986 | Japanese |
| Karl Kling | — | — | 16 September 1910 | German |
| Karl Wendlinger | — | — | 20 December 1968 | Austrian |
| Karun Chandhok | — | CHA | 19 January 1984 | Indian |
| Kazuki Nakajima | — | NAK | 11 January 1985 | Japanese |
| Kazuyoshi Hoshino | — | — | 01 July 1947 | Japanese |
| Keith Andrews | — | — | 15 June 1920 | American |
| Keith Greene | — | — | 05 January 1938 | British |