| Riseborough | W. H. J. | Wattle Hill, Dudinin | U7Z and 11C, 48E | 1962 |
| Riseborough | Wm. H., jun. | Histon Farm, Wagin West | 7RZ | 1924 |
| Riseborough & Co. | V. H. | Brentwood, Dumbleyung | QR0 and 32C, 5A | 1962 |
| Riseley | V. G. C. | Thorpes, East Rockingham | V1R | 1962 |
| Rising | H. J. | 9040, Manjimup | 0HR and 33C, 104A | 1962 |
| Rising | J. | Loc. 9041, Dixvale, via Manjimup | 6JR | 1962 |
| Ritcher | Charles Albert | Wickepin | GR0 | 1928 |
| Ritchie | A. L. | Blocks 22095/55, 10609/74, Dumbleyung | A4R | 1912 |
| Ritchie | A. L. | Blocks 22095/55, 10609/74, Dumbleyung | A4R | 1924 |
| Ritchie | D. F. | 525, 1533, 688, Cookernup | 0TR | 1962 |
| Ritchie | David Robert | Grass Patch | DR6 | 1928 |
| Ritchie | Ernest, A. | Avon Loc. 24508 Mukinbudin | Q6Q | 1924 |
| Ritchie | Geo. | Commonage, Youanme | 2GR | 1912 |
| Ritchie | Geo. | Youanme | 2GR | 1924 |
| Ritchie | H. J. | Avondale Farm, via York | YZ9 | 1924 |
| Ritchie | John | Garden Area 27c, Malcolm | R2T | 1912 |
| Ritchie | John | Garden Area 27C, Malcolm | R2T | 1924 |
| Ritchie | T. F. | Common, Ejudina | 6TR | 1912 |
| Ritchie | T. F. | Common, Ejudina | 6TR | 1924 |
| Ritchie | W. E. | Quamby, popanyinning | 3RQ | 1912 |
| Ritchie | W. E. | Quamby, Popanyinning | 3RQ | 1924 |
| Ritson | F. | Grindon, Boyup Brook | FR7 and 49D, 45E | 1962 |
| Ritson | P. D. | Daneholm, Boyup Brook | 7PR and 27D, 22E | 1962 |
| Ritter | H. | Sussex Loc. 678, Yallingup | HD8 and 109D, 28E | 1962 |
| Ritter | N. | Fly Brook, 5073-4, 8953, Pemberton | N7R | 1962 |
| River-Lee Dairy Co. | - | River-Lee, Nannup | 5RD and 24B, 67A | 1962 |
| Riverdale Pastoral Co. | - | Riverdale Spreadalong, Piawaning | W6K and 6D, 44E | 1962 |
| Riverina | St. Syndicate | Riverina, Menzies | RS0 | 1924 |
| Riverina Street Syndicate | - | Riverina, Menzies | RS0 | 1912 |
| Riverside | - | Riverview, Katanning | O2Y and 25B, 111E | 1962 |
| Rivett | C. C. | 25 Alday Street, Victoria Park | CR8 and 42D, 59F | 1962 |
| Rivett | H. C. T. W. | The Brooks, Bullsbrook | T2R and 25D, 32E | 1962 |
| Rivoli Grazing Co. | - | Rivoli, Hamersley Siding | A6V and 60F, 8B | 1962 |
| Rix | Mrs Isma | Ewart Street, Midland Junction | 2RX | 1924 |
| Roach | A. & P. M. | Trelawney and Avon Loc. 18321, Narembeen | 3AR and 10C, 46A | 1962 |
| Roach | Charlotte | Malkup, Toodyay | XR9 | 1924 |
| Roach | D. J. | 395, 738, 394, 1110, Marymia Station, Meekatharra | JR2 and 43C, 32E | 1962 |
| Roach | E. D. | Newmarket, Pingelly | ER8 | 1912 |
| Roach | E. D. | Newmarket, Pingelly | ER8 | 1924 |
| Roach | Emma | Sunnyside, Kalamunda | 8ER | 1912 |
| Roach | Emma | Sunnyside, Kalamunda | 8ER | 1924 |
| Roach | J. P. | Malkup, Toodyay | 2VN | 1924 |
| Roach | J. W. | Loc. 2148, Pithara | 3NR | 1924 |
| Roach | L. F. | Melbourne Locs. 2143, 2148, Pithara | 3NR and 46C, 117E | 1962 |
| Roach | Phillip | Malkup, Newcastle | 1PR | 1912 |
| Roach | Phillip | Malkup, Toodyay | 1PR | 1924 |
| Roach | R. W. | Wattle Grove, Pithara | 6VR and 33B, 67A | 1962 |
| Roach | S. A. & A. M. | Ningham 343, 526, 1671-2, Dalwallinu | RB7 and 44B, 3E | 1962 |
| Roach | S. G. | Well Parks, Pithara | 1GQ and 36B, 36A | 1962 |
| Roach | S. J. | Ninghan 828-9-30-1, 1632, 854, 1634, Pithara | 6SR and 13D, 34E | 1962 |
