| Name | Year | Details |
| Raymond Kahn | 1989 | |
| Michael Kane | 2004 | Finalist |
| Terence Kane | 1984 | |
| Jeffry Kaplow | 2005 | |
| Mary Kean | 1976 | Semi-finalist |
| Jennifer Keaveney | 1986 | Champion |
| Joe Keen | 2003 | |
| Alison Kelly | 1987 | |
| Andy Kelly | 2004 | |
| Ann Kelly | 1987 | |
| 1997 | ||
| 1998 | ||
| 2004 | ||
| 2005 | ||
| Anthony Kelly | 1988 | |
| Tony Kelly | 2005 | |
| Colin Kendell | 1995 | Semi-finalist |
| Edward Kennedy | 1979 | |
| David Kenrick | 1988 | Semi-finalist |
| Connaire Kensit | 1981 | |
| John Keogh | 1980 | Finalist |
| Alistair Kerr | 1987 | |
| Anthony Kerr | 1977 | |
| Mark Kerr | 2001-2 | Finalist |
| Joseph Kerrigan | 1985 | |
| Olga Kevelos | 1978 | |
| Charles Key | 1973 | Semi-finalist |
| Alan Keys | 1994 | Semi-finalist |
| Said Khan | 2001-2 | |
| 2003 | ||
| Colin Kidd | 2005 | |
| Steve Kidd | 2003 | |
| Robert Kift | 1972 | |
| Eric Kilby | 1995 | |
| 1998 | Semi-finalist | |
| 2001-2 | Finalist | |
| 2003 | ||
| Peter Kilty | 1974 | Semi-finalist |
| Alexis King | 1980 | Semi-finalist |
| Marcia King | 1987 | |
| Tom King | 1988 | Semi-finalist |
| 2005 | Semi-finalist | |
| Gwen Kingsley | 1983 | Semi-finalist |
| 1996 | Finalist | |
| Melvyn Kinsey | 1995 | Finalist |
| 2004 | ||
| Padraig Kirby | 1989 | |
| David Kirkham | 1987 | Semi-finalist |
| Francis Kirkham | 1993 | Semi-finalist |
| Thomas Kirkpatrick | 1986 | |
| Ralph Kite | 1991 | |
| Myra Knight | 1989 | Finalist |
| Stan Knight | 1988 | |
| John Knipe | 1978 | |
| Morag Knox-Crawford | 1983 | |
| Elizabeth Knox-Johnston | 1986 | |
| Teddy von Koenigstaedter | 1976 | |
| Lesley Konopielko | 1996 |