| Kneal | John Jas. | Greenbushes | JK1 | 1924 |
| Kneale | John Jas. | Greenbushes | JK1 | 1912 |
| Knezovich | Mark | Commonage, Meekatharra | K3O | 1924 |
| Knight | A. J. | Korijekup, Harvey | X3K | 1924 |
| Knight | A. J. | Korijekup Estate Lots 48 and 21, Harvey | X3K | 1962 |
| Knight | E. | Nelson 11848, Yornup | EK6 and 48B, 110E | 1962 |
| Knight | E. C. & E. E. | Wellington 2118-9-20, 1117, 2121-2-3, Collie | E8E and 115B, 42E | 1962 |
| Knight | F. | Robinson, Est. Loc 33, Albany | FK7 and 47D, 6E | 1962 |
| Knight | F. J. | Rocky Pool, Wagin | F6K | 1912 |
| Knight | F. J. | Rock Pool, Wagin | F6K | 1924 |
| Knight | F. J. | Sussex 1559, Forest Grove | 8RW | 1962 |
| Knight | Frederick W. | Victoria Loc. 6290 and 6298, Bowgada | ZY8 | 1925 |
| Knight | G. R. & H. S. | Redgum Park, Narrikup | 8KG | 1962 |
| Knight | J. A. | Avon Location 6533, Corrigin | KD7 | 1924 |
| Knight | J. E. | Chirgejup, Porongorup | 0FK and 50B, 38E | 1962 |
| Knight | J. R. | Part 2 Saw 188, Armadale | 1RK and 45B, 45E | 1962 |
| Knight | J. R. | Walden, Mt. Barker | 7VJ | 1962 |
| Knight | J. S. | Hay Loc. 255, Denbarker, via Mt. Barker | J6K and 110D, 48E | 1962 |
| Knight | J. W. | Kulki, Katanning | CW9 and 17C, 51F | 1962 |
| Knight | John Fredk. | Chergejup, via Mt. Barker | 0FK | 1924 |
| Knight | John Temple | Sussex Loc. 590, Warren Road, Busselton | 8VQ | 1925 |
| Knight | L. W. | Holmesdale Farm, Winchester | U9K | 1924 |
| Knight | Lang | Teranga, Berger | LK7 | 1912 |
| Knight | Lang | Teranga, Benger | LK7 | 1924 |
| Knight | N. L. | M. 1344, Koolanooka | NK1 and 110A, 3B | 1962 |
| Knight | Peter | Swanmore Glen, Beverley | PK2 | 1912 |
| Knight | Peter | Swanmore Glen, Beverley | PK2 | 1924 |
| Knight | R. A. | Kudardie, Bullfinch | QK7 | 1924 |
| Knight | R. J. | Glendene, Wooroloo | 4RK and 47D, 106E | 1962 |
| Knight | S. H. | Campbell Park, Cuballing | 8SK and 25B, 80E | 1962 |
| Knight | V. H. | Kuadinwarrah, Bullfinch | 4VK | 1924 |
| Knight | Wm. T. | Langsdale, Keysbrook | TK3 | 1912 |
| Knight | Wm. T. | Langsdale, Keysbrook | TK3 | 1924 |
| Knight & Dunn | - | Talbot, York | K0D | 1912 |
| Knight & Son | - | Knightsbrook, Argyle | K9S | 1924 |
| Knight & Son | - | Victoria Loc. 3930, Koolanooka | KB9 and 119D, 7E | 1962 |
| Knight Bros. | - | Victoria Location 3930, Koolanooka | KB9 | 1924 |
| Knight Bros. | - | Korijalap Lot 57, 99-100-1, 93-4, Harvey | ZY8 and 21D, 24E | 1962 |
| Knights | A. E. | Hamlin Pool | A5K | 1912 |
| Knights | A. E. | Hamelin Pool | A5K | 1924 |
| Knights | F. | Braeside, Brunswick Junction | K6F | 1924 |
| Knipe | S. | Shenton Street, Menzies | Z3K | 1924 |
| Knipe | S. W. | Flamingo, Spencers Brook | Z3K and 47D, 32E | 1962 |
| Knipe & Son | S. W. | Flamingo, Spencers Brook | 0Y7 and 40B, 37A | 1962 |
| Kniveton | G. | The Hillocks, Witchcliffe | GK6 | 1962 |
| Kniveton | G. F. | Dale-Lands, Margaret River | GK7 and 102D, 48E | 1962 |
| Kniveton | G. F. | Crescent View, Witchcliffe | OGK and 43C, 80E | 1962 |
| Kniveton | W. L. | The Hillocks, Witchcliffe | LK6 | 1962 |
| Knock | L. J. | Lot 15 part of 154, Jandakot | 4LK | 1962 |
| Knoop | Chas. | Sandlewood Farm, Nyabing | ZK0 | 1924 |
