| Luke | Jack | Avon Location 23383, Pingelly | N5Y | 1924 |
| Luke | Joe | (Teamster), Carnarvon | LK3 | 1924 |
| Lukehurst | Geo. | Avon Location 17265, North Cunderdin | 5YP | 1924 |
| Lukin | E. L. | Yeedanya Station, Kookynie | EA2 | 1926 |
| Lukin | G. R. | Rocky Ford, Brookton | 4AD | 1925 |
| Lukin | H. J. | Haisthorpe, Beverley | HN1 | 1924 |
| Lukin | R. B. & P. G. | Mallory, Moora | B7K and 8D, 80E | 1962 |
| Lukin . | Fisher & Co. | Nairibin, Dumbleyung | L3F | 1912 |
| Lukin Bros. | - | Deepdale, Newcastle | LB3 | 1912 |
| Lukin Bros. | - | Deepdale, Toodyay | LB3 | 1924 |
| Lukin Fisher & Co. | - | Nairibin, Dumbleyung | L3F | 1924 |
| Lukin. | H. J. | Haisthorpe, Beverley | HN1 | 1912 |
| Lukins & Co. | A. J. | Yarramundi, Kukerin | 6LK and 102D, 15E | 1962 |
| Lukis | D. M. F. | Munda Bullaangana Station, Port hedland | DL5 and 104B, 16A | 1962 |
| Lukis | F. W. F. | Netherton, Balingup | FL5 | 1924 |
| Lukis. | F. W. F. | Netherton, Balingup | FL5 | 1912 |
| Lullfitz | B. J. & G. L. | Midway, Ferncliff, West Popanyinning and Bendering | LZ6 and 24A, 44C | 1962 |
| Lullfitz | George | Market Garden, Osborne Park | LZ6 | 1924 |
| Lullfitz | W. G. | 12280, 6435, 6282, 5165, 4897, Pingelly | 1GL and 51F, 67B | 1962 |
| Luluigui Pastoral Co. Ltd. | - | Luluigui Station, Derby | KP1 and 2C, 8E | 1962 |
| Lumbers | Albert Walter | Clevedale, Moora | L4Q | 1924 |
| Lumbers & Sons | A. | Clive Vale, Moora | L4Q and 116B, 5E | 1962 |
| Lumbus | R. V. | Coralton, Rocky Gully | R6L and 16C, 117E | 1962 |
| Lumley | Henry T. | Bo-Beep, Marracoonda Near Katanning | L8Y | 1924 |
| Lumsden | Thos. C. | Location 2118, Denmark | LU8 | 1924 |
| Lund | A. | Banarash, Kelmscott | A4L | 1912 |
| Lund | A. | Banarash, Kelmscott | A4L | 1924 |
| Lundquest | C. | Glaken Farm, Quairading | L2O | 1924 |
| Lundy | George | Glenisla, Broomehill | GL3 | 1912 |
| Lundy | George | Glenisla, Broomehill | GL3 | 1924 |
| Lundy | J. M. | Flowery Patch, Cunderdin | JL1 and 13D, 6E | 1962 |
| Lundy | John S. | Cunderdin | JL1 | 1912 |
| Lundy | John S. | Cunderdin | JL1 | 1924 |
| Lundy | Mary | Wyn Wyn, Broomehill | ML3 | 1924 |
| Lundy | Mary A. | Wyn Wyn, Broomehill | ML3 | 1912 |
| Lundy | Stephen A. | Kenmore, Cunderdin | 8UL | 1924 |
| Lundy | Victor | Rocky Rise, Gnowangerup via Broomehill | VL2 | 1912 |
| Lundy | Victor | Curly Bank, Gnowangerup via Broomehill | VL2 | 1912 |
| Lundy | Victor | Rock Rise, Gnowangerup; Curly Bank, Broomehill | VL2 | 1924 |
| Lundy & Sons | - | Kenmore, Honi Moni, Flowery Patch, Hallo, Avalon, Cunderdin | 8UL and 84C, 31E | 1962 |
| Lunt | J. N. | Carinya, Wagin | JL1 and 14D, 49E | 1962 |
| Lunt | Joseph | Young River, Tenterden | JL4 | 1912 |
| Lunt | Joseph | Young River, Tenterden | JL4 | 1924 |
| Lunt | R. L. | Queehy, Oakagee | 0MJ and 34C, 31E | 1962 |
| Lupton | C. A. | Connolly's, Brookton | 8GT and 7A, 42B | 1962 |
| Lupton | G. E. | 4500, 5586, 5908, Beverley | UU1 and 33B, 22A | 1962 |
| Lupton | H. A. | Harton, Beverley | Y6N and 45A, 14B | 1962 |
| Lupton | Harold | Steendale, Beverley | Y6N | 1924 |
| Lupton | J. E. S. | Jenella, Beverley | 1JL and 49C, 17E | 1962 |
| Lush | E. H. | Lushland Park, Brunswick Junction | LL3 and 19C, 9E | 1962 |
