| Windsor | W. F. | Forest Vale, Dowerin | FW0 and 51F, 21C | 1962 |
| Windsor & Son | W. T. | Rochdale, Dowerin | RW1 and 48D, 37E | 1962 |
| Windsor Pastoral Co. Pty. Ltd. | - | Windsor Station, Mt. Magnet | X9C and 14C, 67E | 1962 |
| Windus | L. C. | Handsworth Farm, Cookernup | Q5U | 1928 |
| Winduss | L. C. | Springfield, Cookernup | Q5U and 47B, 27A | 1962 |
| Winduss | Sarah. A. | Lot 35 of Leschenault Loc. 9, Burekup via Roelands | U2W | 1924 |
| Winfield | C. E. & F. | Nelson Loc. 9779, Manjimup | 4LW and 42B, 6E | 1962 |
| Winfield | J. | Donnelly Park, Manjimup | Z3T | 1962 |
| Winfield | W. M. | Beenup Road, Jandakot | W9W | 1912 |
| Winfield | W. M. | Beenup Road, Jandakot | W9W | 1924 |
| Winmor | F. | Commonage, Quairading | 4WN | 1912 |
| Winmore | F. | Commonage, Quairading | 4WN | 1924 |
| Winn | G. H. & L. M. | Lawderdale, Shotts, via Collie | 6GW and 50B, 110E | 1962 |
| Winn | J. | East Kimberley | NZ7 | 1924 |
| Winnecke Bros. | - | Water Vale, Katanning | BW2 | 1912 |
| Winneeke Bros. | - | Water Vale, Katanning | BW2 | 1924 |
| Winner | G. W. | Namine Park, Darkan | G5W and 19B, 3E | 1962 |
| Winnett & Son | W. & M. D. | Noonebin, Pingelly | 0SY and 29B, 33E | 1962 |
| Winning Pastoral Co. | - | Winning Station, via Carnarvon | UU0 | 1927 |
| Winning Station | - | Winning Station, via Carnarvon | UU0 and 39C, 10E | 1962 |
| Winscom | W. D. | Nelson Loc. 12157 L.S. Farm No. A65/B, Bokerup, via Kojonup | WD4 and 14D, 47E | 1962 |
| Winskie | Emily | Homestead, 1791, Worsley | Q4W | 1924 |
| Winsor | T | Mead's Run, Kalamunda | 0UW | 1924 |
| Winspear | N. H. | Danby, Broomehill | WQ9 and 10B, 33A | 1962 |
| Winspear | Thos. Wm. | Danby, Ewlyamartup | WQ9 | 1924 |
| Winston | Wilfred T. | Northampton | Z9W | 1924 |
| Winstonley | J. H. | Ti Tree Gully, Yuba | AZ2 | 1912 |
| Winstonley | J. H. | Ti Tree Gully, Yuba | AZ2 | 1924 |
| Winter | Brandt & Co. | Mt. Magnet | W3U | 1924 |
| Winter | C. A. A. | 250 Belgravia St., Cloverdale | CW5 and 36B, 46E | 1962 |
| Winter | C. S. | Golden Valley, Koorda | 4SW and 42D, 112E | 1962 |
| Winter | I. H. | Ninghan Locs. 175, 549, 550, 1072, 1017, Koorda | WM1 and 34D, 50E | 1962 |
| Winter | R. M. & U. T. | Manna Flats, Keysbrook | R0W and 54F, 7C | 1962 |
| Winter | W. J. | Kaloorup, Busselton | Y8B | 1962 |
| Winterbourne | C. E. & A. M. | Valley Field, Morawa | A3W and 109D, 15E | 1962 |
| Winters | O. E. | 8625 Victoria Loc., Tardun | O3W and 44B, 3A | 1962 |
| Winton | Robt. | Trayning | K5L | 1924 |
| Winvale Pastoral Co. | - | Winvale, Bailup, via Gidgegannup | 8HW and 42C, 80A | 1962 |
| Wirling | John Hy. | H. F. 8821-94, Wonnerup | 0HX | 1912 |
| Wirling | John Hy. | H. F. 8821/94, Wonnerup | 0HX | 1924 |
| Wirth | Alfred | Brucedale, via Jardee | AW1 | 1926 |
| Wirth | N. J. | Springland, Toodyay | NN3 | 1924 |
| Wisbey | C. | Havilah, Greenhills | 3CW | 1912 |
| Wisbey | C. | Havilah, Greenhills | 3CW | 1924 |
| Wisbey | H. | Spring Park, Nolba | H7W and 20D, 4E | 1962 |
| Wisbey | J. E. | Surrey Farm, Walkaway | 5WY and 22C, 52F | 1962 |
| Wise | C. | Glengarry Farm, Wickepin | 2JR and 10D, 112E | 1962 |
| Wise | Ed | Port Hedland | L4J | 1924 |
| Wise | Ed. | Port Headland | L4J | 1912 |
| Wise | H. C. J. | Plantagenet 4706, Narrikup | 5CY and 22B, 33E | 1962 |
