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| Surname | Given Names | Registration Date | Practising Certificate Renewed To | License No |
| Laing | Lloyd John | 19/08/2010 | 1034 | |
| Lampard | Jacob Allan | 23/09/2010 | 31/12/2018 | 1037 |
| Lange | Rodney Graeme | 9/04/1979 | 686 | |
| Langman | James Stephen | 19/06/2014 | 1079 | |
| Larmer | Michael James | 6/12/1963 | 363 | |
| Larsen | Stephen Christopher Francis | 18/09/1986 | 822 | |
| Lavers | Lindsay John | 19/04/1956 | 312 | |
| Lawler | Gerald Albert | 6/10/1967 | 415 | |
| LeFaucheur | Frank John | 25/09/1970 | 489 | |
| Lefort | Andrew John | 21/09/1995 | 31/12/2018 | 930 |
| Leighton | Kenneth Alan | 27/09/1974 | 580 | |
| Lengkeek | Paul Robert | 25/03/1977 | 643 | |
| Lenz | Walter | 10/09/1965 | 385 | |
| Lester | Richard George | 25/10/1972 | 31/12/2018 | 530 |
| Lewers | Bridget Anne | 15/7/2004 | 997 | |
| Lewers | Glyn Alan | 15/07/2004 | 998 | |
| Lewis | Kennon Richard | 26/06/1969 | 461 | |
| Lewis | Wayne | 23/03/2000 | 31/12/2018 | 971 |
| Liebelt | Michael John | 15/09/1994 | 922 | |
| Liedel | Rolf Alexander Laurence | 19/9/2002 | 987 | |
| Liew | John Yaw Kiew | 20/11/1986 | 831 | |
| Light | Steven Craig | 6/10/1980 | 725 | |
| Lindsay OAM | Grahame Kerr | 16/09/1957 | 327 | |
| Lloyd | Toby John | 15/09/2005 | 31/12/2018 | 1005 |
| Locke | John William | 3/12/1968 | 443 | |
| Lodewyk | Michael Hendrik | 14/09/1979 | 694 | |
| Longford | Ian Gregory | 22/10/1981 | 744 | |
| Longley | Peter James | 14/03/1969 | 452 | |
| Lovett | Joanne Marie | 21/10/2004 | 31/12/2018 | 1002 |
| Lowe | Clive Charles | 29/04/1974 | 566 | |
| Lowth | Stephen John | 19/10/1989 | 31/12/2018 | 879 |
| Luscombe | Ivan Mervyn | 22/09/1972 | 523 | |
| Lutey | John Dale | 9/04/1979 | 31/12/2018 | 687 |
| Lynch | Darrell Raymond | 15/09/1994 | 924 | |
| Lyons | Francis John | 25/09/1978 | 682 |