| Kevill | G. H. | Yaigaroud Loc. 646, 1238, 1404, Margaret River | NK6 | 1962 |
| Kevill& Co. | W. G. | Braidwood, Yoting Siding, Mawson Siding, Atherton, Quairading | GK0 and 9B, 114A | 1962 |
| Kew | Robt. | Pingelly | R1K | 1912 |
| Kew | Robt. | Pingelly | R1K | 1924 |
| Kewley | A. | Booraloming, Dowerin | AK8 | 1912 |
| Kewley | A. | Booralaming, via Dowerin | AK8 | 1924 |
| Kewley | Wm. Jos. | Selection 1494, No 3 Group Settlement Kudarddup Augusta | KV2 | 1924 |
| Key | C. H. | Royston Farm, Kellerberrin | L1W and 13B, 120A | 1962 |
| Key | K. W. | Sussex 2439-40, Karridale | K3W | 1962 |
| Key | Mary Ellen | Rockingham | 3EK | 1924 |
| Key | Wm. | 7th Avernue, Maylands | KP0 | 1924 |
| Keys | David | Commonage, Beria | DK5 | 1924 |
| Keys & Co. | - | Keysbrook, Mundijong | K2D | 1924 |
| Keyser | S. D. | 164, Balingup | DK0 and 32E, 38D | 1962 |
| Keyte | Frances G. | The Oasis, Binnnu via Geraldton | 9KE | 1924 |
| Keyte | Richard Ed. | Lastroon, Hutt | 9YV | 1924 |
| Keyte | Wm. | Blocks 24673/55, 13461/74, Yuba | W2K | 1912 |
| Keyte | Wm. | Blocks 24673\55, 13461\74, Yuba | W2K | 1924 |
| Khan | Bandoo | Bornagee, Tammin | BK1 | 1912 |
| Khan | Bandoo | Bornagee, Tammin | BK1 | 1924 |
| Khoda, Nozer, and Ameer Mahomet | - | Leonora | KA1 | 1924 |
| Khudai, Nazur, and Ameer Mohomed | - | Commonage, Wiluna | KN1 | 1924 |
| Kiamer | E. | Water Reserve, Kookynie | Q4X | 1924 |
| Kickett | Thos | Ragged Rocks, Greenhills | TK2 | 1912 |
| Kickett | Thos. | Ragged Rocks, Greenhills | TK2 | 1924 |
| Kidby | E. G. | Nelson Locs. 7346-50-1, Ferguson, via Dardanup | E0K and 35A, 36B | 1962 |
| Kidd | J. | 14412-3, Denside, Kununoppin | J3K and 114A, 41B | 1962 |
| Kidd | John | Melia Farm, Eradu | KD8 | 1924 |
| Kiddie | A. R. | Carrallaen, Badgebup | 2NK and 26D, 48E | 1962 |
| Kiddie | Andrew | Lincoln Downs, Broome | K3A | 1924 |
| Kiddie | Chas. | Badgebup | 2NK | 1924 |
| Kiddie | David | Blocks 45, 50 and 145, Katanning | 2DK | 1924 |
| Kiddie | L. C. | Riverside, East Katanning | 5ML and 35B, 17E | 1962 |
| Kiddle | David | Blocks 45, 50, & 145, Katanning | 2DK | 1912 |
| Kidman | A. L. | Minapre, Perillup | 3SK and 23D, 48E | 1962 |
| Kidman and Marshall | - | Sale Yards John Street, North Fremantle | 0KM | 1924 |
| Kieley | T. P. | Yellanup, Wickepin | QK2 | 1924 |
| Kielman | C. | Nicholson Road, Cannington | COK | 1924 |
| Kielman & Sons | C. J. | Kielman's Dairy, Armadale | C0K and 39C, 111E | 1962 |
| Kiely | A. E. S | 65 Adelaide Terrace, Perth & Narrogin, Perth | S1K | 1912 |
| Kiely | A. E. S. | 65 Adelaide Terrace, Perth | SIK | 1924 |
| Kiely | J. | 27511, Narembeen | J2K and 71D, 24E | 1962 |
| Kiely | J. F. | 10277, Walkaway | F1K and 43C, 48A | 1962 |
| Kiely | J. F. | Nijoy, Serpentine | JK7 | 1962 |
| Kiely | J. T. | Oaklands Darlia, East Wickepin | ZIK | 1924 |
| Kiely | J. V. | Loc. 820, Serpentine | K2J | 1962 |
| Kiely | Jas | Blocks 130 & 132, Fairlight Street | JK2 | 1912 |
| Kiely | Jas. | Blocks 130 and 132 Farilight Street, Cottesloe Beach | JK2 | 1924 |
| Kiely | Roger | Maddington | RK0 | 1928 |
| Kierath | J. A. | Glen Karri, Manjimup | K8F | 1924 |
