| Keeffe & Co. | G. L. | Raheen and Clover Valley, Mullewa and Tenindewa | KG3 and 14B, 117A | 1962 |
| Keeffe & Co. | T. S. | Devils Creek, Mullewa | 4TK and 36A, 47B | 1962 |
| Keegan | J. H. & Thos. | Kelgan's River, Perenjori | U2K | 1924 |
| Keegan & Sons | J. H. | Nelson 9336 Pt. 9335, Manjimup | Y4K | 1962 |
| Keeler | R. J. | Silverdale, Yealering | 9KR | 1924 |
| Keeley | B. W. | 216 Boulder Road, Kalgoorlie | B3X | 1962 |
| Keeling | N. S. B. & J. | Congreve, Morawa | NK3 and 45A, 16C | 1962 |
| Keely | Thomas J. | Avoca, Group 38, Busselton | TK2 | 1927 |
| Keen | A. W. | Niggipin, Hotham River, Marradong | 9AK | 1912 |
| Keen | A. W. | Nuggipin, Hotham River, Marradong | 9AK | 1924 |
| Keen | Henry | Junction Hotham and Williams Rivers, Marradong | 8HK | 1912 |
| Keen | Henry | Junction Hotham and William Rivers, Marradong | 8HK | 1924 |
| Keen | Joseph | Tableland via Roebourne | J0K | 1912 |
| Keen | Joseph | Aabland, via Roebourne | J0K | 1924 |
| Keen | T. H. | Dulverton Park, Busselton | TK7 and 1C, 47E | 1962 |
| Keen | Thos. Edmund | Jelbacutting, E. Kwolyin, Kellerberrin | K7E | 1924 |
| Keenan | Catherine | Coodarin, Dumbleyung | K5N | 1924 |
| Keenan | F. H. | Keencliffe, Dunsborough | 1FK | 1962 |
| Keenan | Isabella | Glenbourne, Margaret River | BK5 | 1912 |
| Keenan | Isabella | Glenbourne, Margaret River | BK5 | 1924 |
| Keenan | J. J. | Koogan, Tower Street Lonora | K1E | 1912 |
| Keenan | J. J. | Koogan, Tower Street, Leonora | K1E | 1924 |
| Keenan | M. | Blocks 9870/74, 16427/55, Bullock Hills via Katanning | KE3 | 1912 |
| Keenan | M. | Blocks 9870/74, 16427/55, Bullock Hills, via Katanning | KE3 | 1924 |
| Keenan | Mrs Eleanor J. | Glenom, Cape Naturaliste, via Busselton | K7O | 1924 |
| Keenan | P. | Wilberforce, York | 4PK and 109A, 27B | 1962 |
| Keenan | R. | Kumara, Dumbleyung | 3RK | 1912 |
| Keenan | R. | Kumara, Dumbleyung | 3RK | 1924 |
| Keenan | Wm. Stweart | Glenmore, Yallingup, via Busselton | 2KN | 1924 |
| Keene | A. B. & M. F. | Kelso, Trayning | DC0 and 49A, 19B | 1962 |
| Keene | K. | 320 Gt. Eastern Highway, Redcliffe | 1KK and 18B, 30E | 1962 |
| Keer | John | H. F. 1566/74, Poyanyinning | J2K | 1912 |
| Keer | John | H. F. 1566/74, Popanyinning | J2K | 1924 |
| Keevil | R. F. | Swan Loc. 1476, 2929, 1907, Muchea | YU0 and 48B, 49E | 1962 |
| Keighley | H. B. | Carbran, Marchagee | MK8 and 12C, 103E | 1962 |
| Keighley | James | Sunnyside Farm, Popanyinning | AZ6 | 1924 |
| Keighley | W. L. | Waleokie, Lake Biddy | LK3 and 47D, 33E | 1962 |
| Keightley | F. J. | Victoria, Albany | FK9 | 1924 |
| Keightley | Jim E. | Bejalling Farm, Moorine Rock | JK2 | 1927 |
| Keightley Bros. & Gemmell | - | The Mannas, Mindabooka | K2G | 1912 |
| Keightley Bros. & Gemmell | - | The Mannas, Mindabooka | K2G | 1924 |
| Keily & Radford Park Co. | G. | 1576, 1582 Sussex, Vasse | 0KR and 110D, 9E | 1962 |
| Keirle | Alfd. | Woodanilling | 7AK | 1912 |
| Keirle | Alfred | Woodanilling | 7AK | 1924 |
| Keisey | E. | Y---arin, Bruce Rock | 4KE | 1924 |
| Keitel | C. C. | St. Lawrence, Nungarin | EY7 and 80A, 30B | 1962 |
| Keith | Alec. E. | Locs. 2685, 6, 7, 2785, 2741, Albany | 6EK | 1924 |
| Keith | Fredk. L. | Swan Loc. 1351, Lower Chittering | 8KE | 1924 |
| Keley & Co. | K. G. | Borung, Katanning | 9MS and 23B, 39A | 1962 |
| Kelleher | Hugh | Munster Dairy, Osborne Park | HK8 | 1912 |
