| | | | | | |
| | Drivers highlighted like this have won a final during the current season | |
| |  indicates this driver has been interviewed  indicates that pictures are needed for this driver | |
| | Johnny (Jack) Kaiser, Hayes | | 87 : 1954 to 1955 | | |
| | Arie Kandt, Netherlands | | H267 : 2009 to 2010, H267 : 2013, H267 : 2016 | | |
| | Marco Kandt, Netherlands | | H67 : 2006, H67 : 2009 | | |
| | Bill Kane | | USA404 : 1954 | | |
| | Alco Kappe, Netherlands | | H555 : 2007, H555 : 2013 | | |
| | Peter Kaulbarsch, Morecambe | | 411 : 2007 to 2012 | | |
| | Brian Kavanagh, Birmingham | | 118A : 1954 | | |
| | Tom Kay, Radcliffe | | 156 : 1967 | | |
| | Martin Kaye, Dewsbury | | 473 : 1981 to 1984 | | |
| | Paul Kaye, Dewsbury | | 173 : 1979 to 1985 | | |
| | Robert Kaye, Huddersfield | | 433 : 1977 to 1979 | | |
| | H. Kaylay | | 7bv : 1954 | | |
| | Harry Kayley, Belle Vue | | B77 : 1954, 7 : 1955 | | |
| | Nigel Kear, Quedgeley | | 213 : 1970 to 1973 | | |
| | Harry Keaste, Burton-Upon-Trent | | 194 : 1960 to 1962 | | |
| | J. Keegan | | 95 : 1955 | | |
| | Andy Keeley, Bolton | | 403 : 1977 | | |
| | Geoff Keeling, Thurmaston | | 370 : 1984 to 1986 | | |
| | Harold Keeling, Macclesfield | | 298 : 1968 to 1975, 6 : 1976 to 1984 | | |
| | Mark Keeling, Nantwich | | 271 : 2003 to 2007 | | |
| | D.P. Keen, Manor House | | 465 : 1955 | | |
| | Don Keen, Manor House | | 65 : 1954 | | |
| | Arthur Keene, Hornsey | | 66 : 1954 to 1955 | | |
| | Tommy Keep, Chingford | | 83 : 1962 to 1967 | | |
| | Geert jan Keijzer, Netherlands | | H6 : 2006 to 2019, H6 : 2022 to 2023 | | |
| | Piet Keijzer, Netherlands | | H10 : 1980 to 1981, H10 : 1983 to 2005 | | |
| | Larry Keily, Ermscote | | 238 : 1977 to 1979 | | |
| | Andrew Kelcher, Northampton | | 222 : 1995 to 1997, 377 : 2007 | | |
| | Brian Kelleher, Harrow | | 43 : 1967 | | |
| | Wally Kells, Collom | | 57i : 1954 | | |
| | Wally Kells, Ireland | | E54 : 1954 | | |
| | Bob Kelly, Wigan | | 140 : 1977 to 1979 | | |
| | Dennis Kelly, Doncaster | | 134A : 1954 | | |
| | Ken Kelly | | 320 : 2006 to 2007 | | |
| | Raymond Kelly | | 280 : 1960 to 1961 | | |
| | Robert Kelly Jnr, Bradford | | 264 : 1968 | | |
| | Peter Kempen, Netherlands | | H42 : 1980 | | |
| | Peter Kempen, Netherlands | | H2 : 1978 to 1981 | | |
| | Harry Kempton, Walthamstow | | 165i : 1954 | | |
| | A Kendall | | 276 : 1963 | | |
| | Alf Kendall, Spalding | | 256 : 1961 | | |
| | Anthony Kendall, Bradford | | 514 : 1992 to 1993 | | |
| | D. Kendrick, Wembley | | 78A : 1954 | | |
| | Andy Kennedy, Breaston | | 313 : 1979 to 1987, 334 : 1991 to 1993 | | |
| | W.E Kennett, Kentish Town | | 109 : 1954 | | |
| | Bill Kenny, Swinton | | 369 : 1961 to 1962 | | |
| | Jock Kenny, Inversneckie | | 345 : 1969 to 1973 | | |
| | P Kenny, Arnold | | 10/4 : 1959 | | |
| | Ted Kenny, Swinton | | 367 : 1962, 17 : 1963 to 1964 | | |
| | W Kenny, Arnold | | 333 : 1960 | | |
| | Bob Kent, Nottingham | | E34 : 1955 | | |
| | Doug Kent, Ilford | | 97 : 1966 to 1967, 381 : 1970 to 1971 | | |
| | Gary Kent, Ashbourne | | 390 : 1982 to 1984 | | |
| | Sjaak Kentie, Netherlands | | H179 : 2010 to 2011, H179 : 2013 to 2019, H179 : 2023 | | |
| | Tom Kenyon, Accrington | | 432 : 1976 to 1977 | | |
| | Brian Kershaw, Oldham | | B119 : 1954, 119 : 1955, 119i : 1956 to 1957 | | |
| | David Kerswell, Buckfastleigh | | 171 : 2015 | | |
| | John Kessels, Netherlands | | H98 : 1978 | | |
| | Patrick Kessels, Belgium | | B347 : 2010 to 2011 | | |
| | Tom Kessels, Netherlands | | H11 : 1985 | | |
| | Stan Kettle, Sleaford | | E7 : 1955 to 1957 | | |
| | Lambert Keulen, Netherlands | | H104 : 1978 to 1981 | | |
| | Jamie Key | | 126 : 2021 | | |
| | Ken Keyte, Redditch | | 348 : 1964 to 1968, 304 : 1970, 323 : 1971 to 1972 | | |
| | Hilary Keyton, Chelmsford | | 86 : 1959 | | |
| | Cisco Kid | | 92 : 1956 | | |
| | Dave Kidson, Wood Green | | 53i : 1956, 53 : 1957 | | |
| | Ken Kidson, Wood Green | | 67 : 1957 to 1958 | | |
| | David Kiff, Luton | | 398 : 1976, 98 : 1977 | | |
| | Mark Kiff, Luton | | 211 : 2007 to 2009 | | |
| | J J Kilcourse, Ardwick | | B30 : 1954 | | |
| | A. A. Kilfoyle, Molesey | | 50 : 1954 | | |
| | Steve Kilmister, Newcastle-upon-Tyne | | 216 : 1979 | | |
| | R.H Kime, Lincoln | | E40 : 1955 | | |
| | H. Kindon | | P9 : 1955 | | |
| | Benny King, Dagenham | | R3 : 1954 to 1955 | | |
| | Dave King, Banbury | | 31 : 1990 to 1998 | | |
| | Graham King, Spondon | | 596 : 1957 to 1958, 320 : 1959 | | |
| | Henry King, Southampton | | 311 : 1960 | | |
| | Ian "Nosmo" King, Leicester | | 296 : 1968, 263 : 1969 to 1970 | | |
| | J R King | | 52 : 1957 | | |
| | Jim King | | 172 : 1970 to 1972 | | |
| | Joe King | | E52 : 1955 | | |
| | Johnny King, Hammersmith | | 6i : 1955, 6 : 1956 to 1964 | | |
| | Keith King | | 87i : 1957 to 1958 | | |
| | Matt King, Keresley | | 474 : 2012 | | |
| | Nosmo King, Dunstable | | 82A : 1955, 47a : 1956, 47 : 1957 | | |
| | Ray King | | E44 : 1955 | | |
| | Rob King, York | | 222 : 1993 | | |
| | Stephen King, Dagenham | | 104 : 1981 | | |
| | Stuart King, Banbury | | 310 : 1991 | | |
| | Mike Kingston, Winsford | | 188 : 2003 to 2010, 188 : 2012, 188 : 2018 | | |
| | Mike Kingston Jnr, Winsford | | 488 : 2010 to 2015 | | |
| | Dave Kinlock, Guildford | | 290 : 1961 to 1962 | | |
| | Ron Kinnear, Plaistow | | 318 : 1957 to 1959 | | |
| | Fred Kirby, Bicester | | 378 : 1959 to 1969 | | |
| | Geoff Kirby, Derby | | 370 : 1982 | | |
| | Mervyn Kirby, Bicester | | 377 : 1958 to 1969 | | |
| | RIP Kirby, Bradford | | B43 : 1954 | | |
| | Hans Kirimaa, Tamworth | | 492 : 1983, 150 : 1991 to 1992 | | |
| | Crasher Kirk, Beighton | | 34i : 1958 | | |
| | Mark Kirk, Long Eaton | | 192 : 1981 | | |
| | Ron Kirk, Hayes | | 294 : 1959 | | |
| | Linden Kirk, Wakefield | | 417 : 1979 to 1980 | | |
| | Dennis Kirkham, Derby | | 629 : 1958, 407 : 1959 to 1963 | | |
| | John Kirkpatrick, Annan | | 308 : 1988 | | |
| | John Kirkpatrick, Dumfries | | SC5 : 1987 | | |
| | John Kirkpatrick, Radcliffe | | 88 : 1985 | | |
| | Andrew Kitchen, Lancaster | | 255 : 1986 to 1989 | | |
| | Bill Kitchen, Wembley | | 509A : 1954 | | |
| | Brian Kitchen, Leeds | | 186 : 2023 | | |
| | Harry Kitchen, Ashford | | 307 : 1957 to 1960 | | |
| | Maurice Kitchen, Liverpool | | 22A : 1954 to 1955 | | |
| | Bobby Kitchener, London | | 120 : 1969 | | |
| | John Kitching, Barwell | | 196A : 1954 | | |
| | Brooke Kitson, March | | 523 : 2024 | | |
| | Daz Kitson, March | | 532 : 1993, 532 : 2007, 532 : 2012 to 2014, 532 : 2017 to 2024 | | |
| | John Kiwi | | 338 : 1954 | | |
| | Patrick Kleijsen, Netherlands | | H106 : 2021 to 2023 | | |
| | Evert-Jacob Klok, Netherlands | | H488 : 2016 | | |
| | Gert-Jan Klok, Netherlands | | H152 : 2013 to 2014, H152 : 2016 to 2017, H152 : 2019, H152 : 2022 to 2023 | | |
| | Ken Knapton, Leeds | | 7 : 1976 to 1977 | | |
| | Len Knapton, Bradford | | 123 : 1973 to 1978 | | |
| | Cyril Knight, Maidenhead | | 468 : 1959 | | |
| | Dennis Knight, Northampton | | 407 : 1981 to 1984 | | |
| | George Knight, Rochdale | | 402 : 1974 to 1975 | | |
| | Ken Knight, Rochdale | | 371 : 1970 to 1972 | | |
| | Mick Knight, Leek | | 439 : 1982 to 1983 | | |
| | Paul Knight, Long Eaton | | 537 : 1992 | | |
| | Peter Knight, Long Whatton | | 208 : 1963 | | |
| | Peter Knight, Rugby | | 392 : 1985 to 1995 | | |
| | R.H. Knight | | 210 : 1955 | | |
| | Richard Knight, Stapleford | | 436 : 1989 to 1995 | | |
| | Rod Knight, Stapleford | | 336 : 1994 to 1995 | | |
| | Ron Knight, Weymouth | | 287 : 1959 | | |
| | Dave Knights, Lowestoft | | 166 : 1987 to 1988 | | |
| | Brian Knott, Nottingham | | 284 : 1974 | | |
| | K. Knott, Bath | | 42br : 1955 | | |
| | Keith Knott, Oldham | | 401 : 1961 | | |
| | Kevin Knott | | 267 : 1976 | | |
| | William Knott, Truro | | 400 : 1973 | | |
| | Cyril Knowles, Buplhan | | 283 : 1970 to 1974 | | |
| | Peter Knowles, Mellor | | 61 : 1972 to 1979 | | |
| | Two-Ton Knowlson, Bristol | | 24br : 1955 | | |
| | King Kong | | 359A : 1955, 359 : 1956 | | |
| | Arie Koole, Netherlands | | H247 : 1989 | | |
| | Martin Koom, Netherlands | | H178 : 2016 | | |
| | Bart Koopmans, Netherlands | | H38 : 1993, H38 : 2000 to 2004, H38 : 2007, H38 : 2013 to 2014, H38 : 2016 to 2019, H38 : 2021, H38 : 2023 | | |
| | Wendy Koopmans, Netherlands | | H36 : 2013 to 2019, H36 : 2021, H36 : 2023 | | |
| | Willem Koopmans, Netherlands | | H37 : 1993, H37 : 2000 to 2002, H37 : 2004 | | |
| | Arjan Koorn, Netherlands | | H14 : 2004 | | |
| | Age Koudenburg, Netherlands | | H94 : 2006 | | |
| | Frank Kramer, Netherlands | | H726 : 2019 | | |
| | Johan Kranenberg, Netherlands | | H126 : 2004 | | |
| | Math Kreuz, Netherlands | | H45 : 1978 to 1979 | | |
| | Karl Kroes, Germany | | D2 : 1977 | | |
| | George Kroonder, Netherlands | | H217 : 1978 to 1981, H217 : 1983 to 1985 | | |
| | Ron Kroonder, Netherlands | | H217 : 1989 to 2003, H217 : 2007 to 2014, H217 : 2016 to 2019, H217 : 2023 | | |
| | Fedde Kroondijk, Netherlands | | H310 : 2019 | | |
| | Romke Kroondijk, Netherlands | | H30 : 2019 | | |
| | Joe Kuc, Thurnby | | E23 : 1955 | | |
| | Jan Kuin, Netherlands | | H699 : 2016 to 2017, H699 : 2019, H699 : 2021 | | |
| | Rob Kuligowski, Rochdale | | 187 : 1972 to 1975, 342 : 1976, 159 : 1977 | | |
| | Nina Kwasniewska, Manchester | | 82 : 1993 | | |
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