| Kirwan | J. J. | Loc. 475-8, Newdegate | JK8 and 48E, 10D | 1962 |
| Kirwan | N. W. | Common, Leonora | N1K | 1912 |
| Kirwan | N. W. | Common, Leonora | N1K | 1924 |
| Kirwan | O. R. | Loc. 476 Roe, Newdegate | V0K and 11C, 69E | 1962 |
| Kirwan | P. W. | 1933 (Roe), Newdegate | P0K and 14E, 10D | 1962 |
| Kirwan Bros. | - | Merrivale Downs, Esperance | SD3 and 33D, 34E | 1962 |
| Kirwin & Tomlinson | - | Commonage, Karridale | K2T | 1912 |
| Kirwin & Tomlinson | - | Commonage Karridale | K2T | 1924 |
| Kish | Kayer | Bummer's Creek, Malcolm | K4K | 1924 |
| Kissane | B. M. & D. | Sunnyhill, Harrismith | KB8 and 47D, 119E | 1962 |
| Kissane & Co. | - | Boileau, Dumbleyung | MK2 and 3B, 27E | 1962 |
| Kissane Bros. | (C. D. & J. E.) | Locs. 6809-10, 5908-9, 8437, Dumbleyung | K3B and 38A, 33B | 1962 |
| Kissane Bros. | - | Lowpark & Boileau, Dumbleyung | K3B | 1924 |
| Kitchen | J. | 73-4, 396-4, 303, 4506, Boyanup | J1K and 38B, 48A | 1962 |
| Kitchen | J. | Hillcrest Loc. 2047, Rocky Gully, via Mt Barker | KJ1 and 22B, 47A | 1962 |
| Kitchen | S.E | Hillside, Boyanup | S1K | 1962 |
| Kitchen | Samuel E. | Hillside, Boyanup | S1K | 1928 |
| Kitchin | A. G. | Croft Head, Moora | 1AK | 1912 |
| Kitchin | A. G. | Croft Head, Moora | 1AK | 1924 |
| Kitching | F. | Wandaroo, Katanning | 1FK and 5B, 48E | 1962 |
| Kitching | Theodore G. | Edah Station, Yalgoo | 1TK | 1912 |
| Kitching | Theodore G. | Edah Station, Yalgoo | 1TK | 1924 |
| Kite | Geo. | River Deen, Dumbleyung | KG3 | 1912 |
| Kite | Geo. | River Deen, Dumbleyung | KG3 | 1924 |
| KItney | J. | Wellington Loc. 873 Pt., Donnybrook | 7KJ | 1962 |
| Kitson | A. H. & A. L. | Loc. 2753, Youngs Siding, via Albany | A6K and 39E, 48B | 1962 |
| Kitson | D. J. | Lot 1 of 278, Maddington | DK1 and 46C, 40A | 1962 |
| Kitson | M. & J. L. | Tirano and Bootine Spring, Gingin | K6G and 6D, 47E | 1962 |
| Kitson | T. J. | Loc. 2826, Witchcliffe | AA2 | 1962 |
| Kittler | N. C. & M. K. | Pinehill, 18618/9, 19731, South Kumminin | MK4 and 109A, 22C | 1962 |
| Kittler | R. F. & L. J. | Binderoo, Talbot Brook, via York | 2JK and 12C, 3A | 1962 |
| Kittner | H. M. | Blocks 1141 & 1969, Young's Siding via Albany | 7KM | 1912 |
| Kittner | H. M. | Blocks 1141 and 1969, Youngs Siding, via Albany | 7KM | 1924 |
| Kitto | A. B. | Nornadeen, Cunderdin | A1K and 12E, 48D | 1962 |
| Kitto | I. G. | Nornadeen and Block 456, Cunderdin and Beneubbin | XK7 and 29D, 6E | 1962 |
| Kitto | J. B. | Invermay, Wyola | JKO | 1912 |
| Kitto | J. B. | Invermay, Wyola | JK0 | 1924 |
| Kitto | Jas. Adams | Lorna Deen, Wyola | K2O | 1912 |
| Kitto | Jas. Adams | Lorna Doon, Wyola | K2O | 1924 |
| Kitto | L. & E. | Boucaut and Adelphi, Cunderdin and Beneubbin | K2O and 20D, 18E | 1962 |
| Kitto | Thos. | Para Willa, Wyola | KT9 | 1912 |
| Kitto | Thos. | Para Willia, Wyola | KT9 | 1924 |
| Kittyea | J. H. | Dale Farm, Nukarni | 7DF and 49C, 22E | 1962 |
| Kjellgren | Albert V. | Braeside, Group 31, Middlesex | A7K | 1926 |
| Kjellgren & Ohde | - | Devon, Dowerin | OK8 | 1912 |
| Kjellgren & Ohde | - | Devon, Dowerin | OK8 | 1924 |
| Klachn | F. | Block 14, Marybrook Division, Newtown via Busselton | FK5 | 1912 |
| Klachn | F. | Block 14, Marybrook Division, Newtown, via Busselton | FK5 | 1924 |
| Klaebe | B. R. | Lake View, Gosnells | RK5 | 1912 |
| Klaebe | B. R. | Lake View, Gosnells | RK5 | 1924 |
