| Name | Year | Details |
| Oonagh Lahr | 1974 | |
| 1999 | Semi-finalist | |
| Stuart Laird | 1977 | |
| Francis Lambert | 1975 | Finalist |
| Andrew Lane | 1993 | |
| Michael Lane | 1994 | Semi-finalist |
| Nicholas Lane | 1972 | Semi-finalist |
| John Langford | 1976 | |
| James Lansbury | 1993 | |
| David Lapham | 1988 | |
| Denise Latimer-Sayer | 1987 | |
| Rosaleen Lavery | 1991 | |
| Jocelyn Lavin | 1997 | |
| Stephen Law | 1994 | |
| Aubrey Lawrence | 1978 | Semi-finalist |
| Mary Lawrence | 1974 | |
| Patrick Lawrence | 1981 | |
| Josephine Lawrey | 1980 | |
| Martin Leadbetter | 1977 | |
| Ann Leaney | 2004 | |
| Beryl Leathem Thomas | 1972 | Finalist |
| Jamie Lee | 2005 | |
| Vernon Leem-Bruggen | 1976 | |
| Thomas Leeming | 2004 | |
| David Lees | 1978 | Semi-finalist |
| Susan Leng | 1997 | |
| 1999 | Semi-finalist | |
| 2004 | ||
| Rachel Leonard | 1984 | Semi-finalist |
| 2005 | Semi-finalist | |
| David Le Page | 1986 | |
| Josephine Levine | 1990 | |
| Charlie Lewis | 1999 | Semi-finalist |
| George Lewis | 1994 | |
| John Lewis | 1993 | |
| Mostyn Lewis | 1972 | |
| Robert Ley | 1977 | |
| Joyce Ligertwood | 1972 | |
| Ivan Limmer | 1972 | Semi-finalist |
| 1997 | ||
| George Linfoot | 1973 | |
| Olwyn Linton | 1980 | |
| Rod Lipscombe | 2000 | Finalist |
| Julian Lipton | 1986 | Semi-finalist |
| Ian Lister | 1977 | |
| Jane Ann Liston | 2004 | Semi-finalist |
| Mira Little | 1987 | |
| Alistair Littlewood | 2005 | |
| John Lloyd | 1977 | |
| 1990 | ||
| George Long | 1993 | |
| Julian Loring | 1988 | |
| David Lowe | 2005 | |
| Maisie Lunan | 1984 | |
| Tony Luxon | 1999 | Semi-finalist |
| 2004 | ||
| Cynthia Lydiard-Cannings | 1995 | |
| 1998 | ||
| Andrew Lymon | 2004 | Semi-finalist |
| Frank Lynch | 1978 | Semi-finalist |
| Michael Lynch | 1987 | |
| Stuart Lyon | 1996 |