| Lloyd | Richard | Houghton Farm, Dardanup | 9QL | 1924 |
| Lloyd | S. H. V. & E. M. | Bingarra, Dardadine | US7 and 4A, 12C | 1962 |
| Lloyd | S. T. | Homestead, Newcastle | ST3 | 1912 |
| Lloyd | S. T. | Homestead, Toodyay | ST3 | 1924 |
| Lloyd | Samuel Robe | Collie | SL5 | 1928 |
| Lloyd | T. G. | Black Wattle Farm, Arthur River | OL2 | 1912 |
| Lloyd | T. G. | Black Wattle Farm, Arthur River | OL2 | 1924 |
| Lloyd | V. R. | Excel Apiaries, Broomehill | 9ZL | 1962 |
| Lloyd | W. J. V. | Block87, Brookhampton, Donnybrook | VL0 | 1912 |
| Lloyd | W. J. V. | Block 87, Brookhampton, Donnybrook | VL0 | 1924 |
| Lloyd | W. L. | Gwalia Street, Loonora | W7L | 1912 |
| Lloyd | W. L. | Gwalia Sreet, Leonora | W7L | 1924 |
| Lloyd & Smith | - | Chateup Farm, Toodyay | 7QL | 1924 |
| Lloyd & Son | J. E. | Dootamurra, Mayanup, via Boyup Brook | V7 A and 113A, 46B | 1962 |
| Lloyd & Son | J. R. | Eden Valley, Dumbleyung | JL7 and 37A, 20C | 1962 |
| Lloyd & Vernon | R. & A. B. | Eidran Farm, Coondle | 9ZL | 1924 |
| Lloyd Bros. | F. E. & J. W. | Karnma, Boolading, via Collie | SL5 and 36A, 18B | 1962 |
| Lloyd-Woods | O. | Ballan, Katanning | LW6 and 114A, 25B | 1962 |
| Loades | Wm. Rd. | Taarblin, E. Narrogin | W3L | 1912 |
| Loades | Wm. Rd. | Taarblin, East Narrogin | W3L | 1924 |
| Loaring | Albert C. R. | Wallcliffe Station, Busselton | LL9 | 1924 |
| Loaring & McLeod | - | Wallcliffe Station, Busselton | LL9 | 1912 |
| Lobb | S. H. | Wai-Ngaro, Dewars Pool, via Toodyay | S3L and 34B, 112A | 1962 |
| Lobb | T. K. | 1814 (Melbourne), Dalwallinu | TL2 and 21E, 31D | 1962 |
| Locherbie Farming Co. | - | Locherbie, East Narrogin | C1S abd 84C, 41E | 1962 |
| Lock | E. A. | Morrel, Narrogin | WL1 and 29D, 11E | 1962 |
| Lock | G. F. & J. C. | Wimbin, Highbury | GL9 and 50C, 29E | 1962 |
| Lock | H. W. | Location 453, Kendenup | 6KL | 1924 |
| Lock | J. H. & L. I. | Takalarup, Mt. barker | 2JL and 41D, 120E | 1962 |
| Lock & Meagher | - | Davyhurst, Menzies | LM1 | 1912 |
| Lock & Meagher | - | Davyhurst, Menzies | LM1 | 1924 |
| Lockard | W. H. | Block 326, Armadale | LB2 | 1912 |
| Lockard | W. H. | Block 326, Armadale | LB2 | 1924 |
| Locke | A. & J. | Romani. Pithara | VY6 and 38B, 10A | 1962 |
| Locke | Alfred | West Australian Club, Perth | VK0 | 1924 |
| Locke | Allen | Romani, Pithara | VY6 | 1925 |
| Locke | E. & H. | Rushleigh, Armadale | 6EL and 45B, 30E | 1962 |
| Locke | Frank C. | Location 1914, Dalwallinu | F5V | 1924 |
| Locke | I. E. | Lockesbrook, Armadale | 1EL and 45B, 44E | 1962 |
| Locke | J. B. | 371, 825, 838, Yoongarillup | 6JL and 106D, 9E | 1962 |
| Locke | John Henry | Melbourne Location 2680, Pithara | 9YL | 1924 |
| Locke | Lelia M. | Bushleigh, Lockville | LL6 | 1912 |
| Locke | Lelia M. | Bushleigh, Lockville | LL6 | 1924 |
| Locke & Co. | F. C. | Tolhurst, Dalwallinu | F5V and 8D, 29E | 1962 |
| Locke & Sons | - | Woodlands Cuballing | 8QL | 1924 |
| Locke & Sons | W. B & M. F. | Windyridge, Bruce Rock | 8QL and 54F, 44D | 1962 |
| Lockerbie Farm Co. | - | Lockridge Farm, Narrogin | S0U | 1924 |
| Lockett | R. A. | Locations 593-594, Bencubbin | XL6 | 1924 |
| Lockhart | B. | The Wattles, Wannerup | 3BL | 1912 |
| Lockhart | B. | The Wattles, Wonnerup | 3BL | 1924 |
