| Wye | Geo. | Commonage, Broome | W1E | 1912 |
| Wye | Geo. | Jurgurra Creek, Broome | KT8 | 1924 |
| Wye | Geo. | Commonage, Broome | W1E | 1924 |
| Wye | George | Fitzroy Crossing | 4YO | 1925 |
| Wykes | Horace A. | Raby Drive Dairy Farm, Manjimup | W1W | 1924 |
| Wykes | Joshua | Riverside Farm, Harvey | WY5 | 1924 |
| Wykes & Whiteman | H. A. & F. W. | Raby Drive, Manjimup | W1W | 1912 |
| Wyld | L. R. & R. W. | 1545 and 3070 Sussex Loc., Karridale | 2RW | 1962 |
| Wylie | Daisie May | Oakabella Farm, Kellerberrin | 6DW | 1924 |
| Wylie | George M. R. | Birraja, Byford | WY1 | 1927 |
| Wylie | J. B. & C. E. | Plantagenet Loc. No. 5763, Albany | J7Y and 37C, 15B | 1962 |
| Wylie | James Hall | Glenlyn, Emu Hill | YE6 | 1924 |
| Wylie | R. R. | Rosevale, Goomalling | Y2E | 1924 |
| Wylie | S. S. | Tranmere, Wagin | 4SW | 1912 |
| Wylie | S. S. | Tranmere, Wagin | 4SW | 1924 |
| Wyllie | G. C. & A. B. | Block 211 Neridup Loc., Esperance | G9A and 103D, 102E | 1962 |
| Wyloo Pastoral Co. Ltd. | - | Wyloo Station, Forrest Chambers, St. George's Terrace, Perth | 1MG | 1927 |
| Wyloo Pastoral Co. Ltd. | - | Wyloo Station, Onslow | 1MG and 4C, 8E | 1962 |
| Wymond | Alonzo | Coolgardie | 3PW | 1924 |
| Wyndham | A. | Swan Loc. 1316 Pt. Lot 2, Bullbrook | AW2 and 104B, 24A | 1962 |
| Wyndham Meat Works | - | Ascot Station, Wyndham | W/|\M and 39C, 32A | 1962 |
| Wynfield Grazing Co. | - | Wynfield, Chidlows | 6BB and 11B, 111E | 1962 |
| Wynne | Gerald Godfrey | Roe Locs. 112 and 623, Newdegate | GG2 | 1927 |
| Wynne | H. E. | Blocks 24082/55, 13149/74, Baandee | 1WE | 1912 |
| Wynne | H. E. | Blocks 24082/55, 13149/74, Baandee | 1WE | 1924 |
| Wynne | Henry Jos. | Hastoe Farm, North Kellerberrin | YN2 | 1924 |
| Wynne | J. M. | Millingup, Capel | 8JJ and 50C, 80A | 1962 |
| Wynne | Jas. | Millingup, Capel | 8JJ | 1912 |
| Wynne | Jas. | Millingup, Capel | 8JJ | 1924 |
| Wynne | John | 32 Kimberley Street, Leederville | 1OY | 1924 |
| Wynne | W. M. | Milverton, Pingelly | 4MW | 1912 |
| Wynne | W. M. | Milverton, Pingelly | 4MW | 1924 |
| Wynne & Jones | - | Nestle Brae, Totadgin, Merredin P.O. | UW0 | 1924 |
| Wynyangoo Pastoral Co. Ltd. | - | Wynyangoo Station, Mt. Magnet | OE7 and 20C, 5A | 1962 |
