| Riches & Son | R. J. | Lilladale, Watheroo | WR6 and 34B, 111A | 1962 |
| Richings | Amelia | Thunderlarra, Yalgoo | 5AR | 1912 |
| Richings | Amelia | Thunderlarra, Yalgoo | 5AR | 1924 |
| Richmond | Athelstan G. | No. 9057, Group 10, Glenoran, Manjimup | GR6 | 1926 |
| Richmond | C. E. M. | 5956-7-8-9, Victoria, Geraldton | KD8 and 14B, 107A | 1962 |
| Richmond | T. | Dewet Farm, Waroona | TR9 | 1912 |
| Richmond | T. | Dewet Farm, Waroona | TR9 | 1924 |
| Richmund | N. A. & H. | 1271, 1559, 1561-2-3 4395, Denmark | 3HR and 2C, 12E | 1962 |
| Richter | B. G. | Hill View, Karlgarin | GR2 and 22B, 33A | 1962 |
| Richter | C. C. | Murray Locs. 1430, 1424, 980, Coolup | 0CR and 3C, 7A | 1962 |
| Richter | C. H. | Avon 18686, 23454, 18705, Karlgarin | C4R and 34C, 53F | 1962 |
| Richter | C. L. & E. A. | Roe Locs. 182, 324, 757, Karlgarin | G2R and 22B, 33A | 1962 |
| Richter | G. A. & S. L. E. | 1424, 1485, 1358, Coolup | OF3 and 11B, 36A | 1962 |
| Richter | George | Rock Hills, Wickepin | GR2 | 1912 |
| Richter | George | Rock Hills, Wickepin | GR2 | 1924 |
| Richter | H. H. | Brooklands, Grass Valley | HR1 and 10B, 31E | 1962 |
| Richter | K. H. | Arcadia, Grass Valley | HG4 and 57F, 44D | 1962 |
| Richter | Margaret | Clover Dale, Korrelocking | 4MR | 1924 |
| Richter | R. B. & R. V. | 179, 178, 2241, 1298, 395, 2129, 2122, 2148, Karlgarin | 6RR and 33C, 32E | 1962 |
| Rick | D. | Jenolan, Narrogin | JZ7 and 49B, 116A | 1962 |
| Rick | J. | Santry, Gibbies, East Highbury and Narrogin | RZ2 and 5B, 104E | 1962 |
| Rick | Jack | Rocky Ridge, Piawaning | JR0 | 1928 |
| Rickert | P. J. | Sussex Loc. 3832, Cowaramup | PJ3 and 39B, 117E | 1962 |
| Ricketts | J. F. | Plantagenet Loc. 5414, Denmark | 2JR and 29B, 111E | 1962 |
| Rickey | Herbert | M. H. L. No. 52 Kundip | RE8 | 1924 |
| Rickey | J. W. | Sunset Hill, Greenhills | 5JR | 1924 |
| Ricks | Estate of G. J. | Malford, West Pingelly | RR8 and 33C, 22A | 1962 |
| Ricks | Geo. J | Malfrod, Pingelly | RR8 | 1912 |
| Ricks | Geo. J. | Malford, Wickepin | RR8 | 1924 |
| Rictcher | C. H. | Woodbourne, Bullock Hills | 5CR | 1912 |
| Ridd | John S. | Forest Grove, Busselton | 1RD | 1928 |
| Riddell & Pirie | - | Braeside, Nungarin | P8R | 1924 |
| Riddick | J & E | Melton, Calingiri | 0QT and 8B, 21A | 1962 |
| Riddle & Sons | A. C. | Goongarrie Station, Kalgoorlie | 1JR and 49B, 120A | 1962 |
| Ridge | Chas. F. | Albert Lake Farm, Morawa | R5E | 1924 |
| Ridge | F. J. & A. C. | Vic. Loc. 4107, Morawa | NZ6 | 1924 |
| Ridgelands Pastoral Co. | - | Ridgelands, Williams | KR3 and 33C, 120A | 1962 |
| Ridgewell | Walter W. | Loc. 7698, Group 1, Mitchell Dean, Manjimup | 4XQ | 1925 |
| Ridgway | C. R. | Bellara, Mt Kokeby | C2R and 13B, 7A | 1962 |
| Ridgway | C. T. | Waverleigh, Coomberdale | ER6 and 36B, 18E | 1962 |
| Ridgway | Frank | Thornboro Farm, Trayning | RF9 | 1924 |
| Ridgway | G. W. | Nyrang, Coomberdale | GR7 and 43D, 29E | 1962 |
| Ridgway | I. M. | Jurakine, Mt Kokeby | R3P and 34D, 3E | 1962 |
| Ridgway | T. T. | Jeinakine, Mt. Kokepin | R3P | 1912 |
| Ridgway | T. T. | Jeinakine, Mt. Kokeby | R3P | 1924 |
| Ridgway | W. T. | Fairview, Mt Kokeby | TR7 and 27B, 9A | 1962 |
| Ridley | A. G. | Oxford Downs, Coomberdale | 4AR | 1912 |
| Ridley | A. G. | Oxford Downs Coomberdale | 4AR | 1924 |
| Ridley | Alfred G. | Oxford Dale and Downs, Coomberdale | R4G | 1924 |
| Ridley | D. W. | Walford, Brunswick Junetion | DR4 and 112B, 43E | 1962 |