Hide drivers with less than 10 entries
Hide drivers who only participated in Indy 500
Include non-championship races
| No | Driver | Races | Active Years |
|---|
| 423 |  Karch, Oswald | 1 |
1953 |
| 424 |  Karthikeyan, Narain | 48 |
2005, 2011–2012 |
| 425 |  Katayama, Ukyo | 97 |
1992–1997 |
| 426 |  Kavanagh, Ken | 2 |
1958 |
| 427 |  Keegan, Rupert | 37 |
1977–1978, 1980, 1982 |
| 428 |  Keizan, Eddie | 3 |
1973–1975 |
| 429 |  Keller, Al (Indy only) | 5 |
1955–1959 |
| 430 |  Kelly, Joe | 2 |
1950–1951 |
| 431 | Kennedy, Dave | 7 |
1980 |
| 432 |  Kessel, Loris | 6 |
1976–1977 |
| 433 | Kessler, Bruce | 1 |
1958 |
| 434 |  Kiesa, Nicolas | 5 |
2003 |
| 435 |  Kinnunen, Leo | 6 |
1974 |
| 436 | Kladis, Danny (Indy only) | 1 |
1954 |
| 437 | Klenk, Hans | 1 |
1952 |
| 438 |  Klien, Christian | 51 |
2004–2006, 2010 |
| 439 | Kling, Karl | 11 |
1954–1955 |
| 440 |  Klodwig, Ernst | 2 |
1952–1953 |
| 441 | Kobayashi, Kamui | 76 |
2009–2012, 2014 |
| 442 | Koinigg, Helmuth | 3 |
1974 |
| 443 | Kovalainen, Heikki | 112 |
2007–2013 |
| 444 | Kozarowitsky, Mikko | 2 |
1977 |
| 445 | Krakau, Willi | 1 |
1952 |
| 446 | Krause, Rudolf | 2 |
1952–1953 |
| 447 |  Kubica, Robert | 110 |
2006–2010, 2019–2022 |
| 448 | Kuhnke, Kurt | 1 |
1963 |
| 449 | Kuwashima, Masami | 1 |
1976 |
| 450 |  Kvyat, Daniil | 112 |
2014–2017, 2019–2020 |
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