| Rankin Bros. | - | Dongalocking, Wagin | RB6 | 1912 |
| Rankin Bros. | - | Dongolocking, Wagin | RB6 | 1924 |
| Rankine | Harry G. | Eldaralia, Tinkurrin | Y5r | 1924 |
| Rankine | Wm. John | Almond Grove, Bridgetown | 4ZR | 1924 |
| Rankins | J. | Commonage, Northam | 9RD | 1924 |
| Rannard | A. J. | 411-2, Waroona | 2AR and 41B, 26A | 1962 |
| Rannard | D. | Locs. 2583 & 1269, Ballidu | 4ER | 1924 |
| Ransley | Peter | Carnarvon Common, George Street, Carnarvon | 8YK | 1925 |
| Ranson | Ernest | Glenlofty Farm, Harvey | R3X | 1924 |
| Ranyard | N. & H. | The Dale, Kojonup | QR9 | 1924 |
| Raper | E. S. | Steere Street, Donnybrook | XO8 | 1962 |
| Raper | Jas. | Allan Dale, Manjimup, Donnelly River | 7RJ | 1924 |
| Raper | W. J. | 9685, Deanmill | 7RJ | 1962 |
| Rapsch | E. | Maryland, Yallingup | ER2 | 1962 |
| Rarriwell & Meda | - | Rarriwell and Meda, Derby | CW7 and 16C, 24E | 1962 |
| Rasmussen | B. | Williams 14994, Nyabing | B7R and 7B, 118E | 1962 |
| Rasmussen | H. C. | Little Brook Farm, Big Hill Brook, Manjimup | R9N | 1924 |
| Rasmussen | R. W. | Gillingarra | 4PR | 1924 |
| Rason | Ernest H. G. | Roe Loc. 58, Newdegate | XU6 | 1924 |
| Rasool | - | Weitker, Geraldton | 9RO | 1924 |
| Rasser | T. H. | Spring View near Northampton | 5TR | 1912 |
| Rasser | T. H. | Spring View, near Northampton | 5TR | 1924 |
| Raston | W. A. | Ecclefechan, Tammin | R2a | 1924 |
| Raston & Son | M. | Ecclefechan, Tammin | R2A and 42B, 28E | 1962 |
| Ratcliffe | F. | Crystal Valley, Block No. 2664, Worslee and Beela | 8RF and 42B, 117E | 1962 |
| Ratcliffe | G. T. | 2236-7, Dardanup | 9GE | 1962 |
| Ratcliffe | J. J. | Loc. 946, Dardanup | 2AA and 38C, 6E | 1962 |
| Ratcliffe | W. H. | Brampton Springs, Upper Ferguson, Dardanup | 1SJ and 7C, 16E | 1962 |
| Ratcliffe | Wm. | Brampton Springs, West Ferguson | 2AA | 1912 |
| Ratcliffe | Wm. | Brampton Springs, W. Ferguson | 2AA | 1924 |
| Rate | Thomas Henry | Holmesdale Farm, Group 90, Pemberton | BR9 | 1926 |
| Rath | O. C. | Ratnalsa and Karijikup, Harvey | 0HR | 1912 |
| Rath | O. C. | Ratualsa and Korejikup, Harvey | 0HR | 1924 |
| Rathjen | A. M. | Leystan, Kalannie | A3R and 44C, 50A | 1962 |
| Rathnally Pty. Ltd. | - | Rathnally, Piawaning | XL0 and 11B, 37A | 1962 |
| Ratthoff | W. C. | Ekamurra, Kondinin | X5P | 1924 |
| Rattigan Bros. | - | Yoting Farm, Yoting | 8RD | 1924 |
| Rattray | Edward | Greenbushes | JE8 | 1912 |
| Rattray | Edward | Greenbushes | JE8 | 1924 |
| Raven | A. G. | Taralinie, Naraling, Upper Chapman | 7GR | 1912 |
| Raven | A. G. | Taralinie, Naraling, Upper Chapman | 7GR | 1924 |
| Raven | Alfred | Ravensbrook, Bullsbrook | OR5 | 1924 |
| Raven | R & B. D. | Tilsdown Farm, Kojonup | O3C and 3D, 4E | 1962 |
| Ravenhill | S. F. | Severn Farm, Tingledale | S7F | 1962 |
| Ravenscroft | L. B. | Bretton Park, Cowcowing | 1OR | 1912 |
| Ravenscroft | L. B. | Bretton Park, Cowcowing | 1OR | 1924 |
| Ravenstein | W. Van | Plantagenet 4241, Denmark | WR8 and 14C, 71E | 1962 |
| Rawden | Chas. F. | Kardinia Park, Lake Jilakin, East Wickepin | 6UR | 1924 |
| Rawen | A. H. | Wahroonga, Nungarin | T7K | 1912 |
| Rawes | Edward | Avon Loc. 20094, Babakin, via Bruce Rock | RE9 | 1924 |
