| Robson | George & Annie | Landerdale, Collie | RR2 | 1912 |
| Robson | Herbert | Mt. Sandman, Carnarvon | UP7 | 1924 |
| Robson | J. | The Links, Belmont | VR7 and 22D, 112E | 1962 |
| Robson | J. R. & N. | Waverley, Dumbleyung | JJ5 and 29B, 18E | 1962 |
| Robson | John | Waverley Farm, Warren Road, E. Katanning | JJ5 | 1924 |
| Robson | Robert | Karridale | RR1 | 1928 |
| Rocca | E. | 17 Miles, Wanneroo | 5ER | 1962 |
| Rocchi | A. | Sussex 1937, Karridale | R5A and 22B, 104E | 1962 |
| Rocchi | J. & C. | Blue Gums, Darkan | JR1 and 39D, 16E | 1962 |
| Roche | A. R. | Wellington Loc. 1501, Lyall's Mill via Collie | 8AR and 27B, 13A | 1962 |
| Roche | H. L. | Wendouree, Kojonup | U9X | 1924 |
| Roche | J. | A3, Pinjarra | R7U | 1962 |
| Roche | J. & G. | Rochville, Kalannie | 1RJ and 38C, 29A | 1962 |
| Roche | J. (jnr.) | Alton Loc. 11940, Pemberton | X4X | 1962 |
| Roche | J. (snr.) | Alton Loc. 11940, Pemberton | 4XR | 1962 |
| Roche | James | Waterfall Loc. 6785, Pemberton | 4XR | 1924 |
| Rochester | N. | Jesmond Vale, Mt Many Peaks, via Albany | N2R and 35B, 15E | 1962 |
| Rochester & Atkinson | - | Jesmond Vale, Ajana | Q2A | 1924 |
| Rock | F. J. | Beermullah via Gingin | R0K | 1912 |
| Rock | F. J. | Beermullah, via Gingin | R0K | 1924 |
| Rock | George A. | Conway, Williams | Z4R | 1924 |
| Rock | H. | Rosedale, Dandarragan | HK2 | 1912 |
| Rock | H. | Rosedale, Dandarragan | HK2 | 1924 |
| Rock | J. W. Y. | Beermulla, Gingin | RJ4 | 1912 |
| Rock | J. W. Y. | Beermullah, Gingin | RJ4 | 1924 |
| Rock | O. L. | Locs. 2956, 1758, and Pt. 1732. Gingin | RJ4 and 28C, 47A | 1962 |
| Rocke | Anthony | Spearwood Vineyard, Spearwood | 8YR | 1924 |
| Rocke | J. J. | Walmer, Alexander Rd. East Fremantle Bunketch, Ningham Dist. | 1RJ | 1912 |
| Rocke | J. J. | Walmer, Alexandra Road, E. Fremantle, Bunketch, Ninghan District | 1RJ | 1924 |
| Rocke | P. | Main Road, Spearwood | PY9 | 1924 |
| Rocklea Pastoral Co. | - | Rocklea Station, Onslow | D4C and 2C, 32A | 1962 |
| Rodan | Chas. | Melville, Yalgoo | CR4 | 1912 |
| Rodan | Michael | Mt. Magnet | MR4 | 1928 |
| Rodan & Sons | - | Noongare Station, via Yalgoo | CR4 | 1924 |
| Rodd | E. S. & W. R. | Loc. 11, Shackleton | E9W and 6D, 32E | 1962 |
| Rodd | F. J. & E. E. | Hazeldene, Babakin | J8R and 42B, 49E | 1962 |
| Rodda | Albert Ern. | Loc. 7349, Gnowangerup | R8X | 1924 |
| Rodda | E. | Hillbrook House, Nannup | 6LJ | 1962 |
| Rodda | Edwin | Homestead, Darradup | 6JL | 1912 |
| Rodda | Edwin | Darradup | 6JL | 1924 |
| Rodda | H. H. | Rosedale, Dardanup | HR6 | 1912 |
| Rodda | H. H. | Rosedale, Darradup | HR6 | 1924 |
| Rodda | H. W. | The Osterley, Nannup | 2BW and 71C, 116A | 1962 |
| Rodda | Jessie | Rosedale, Lower Blackwood | 4JR | 1912 |
| Rodda | Jessie | Rosedale, L. Blackwood | 4JR | 1924 |
| Rodda | W. | River View, Darradup | JZ9 | 1924 |
| Roddick | J. | The Lazy R, South Kumminin | 7JR and 17C, 33E | 1962 |
| Roddy | Peter C. | Cuddingwarra | PR2 | 1912 |
| Roddy | Peter C. | Cuddingwarra | PR2 | 1924 |
| Rodgers | A. F. W. | Burnside, Forrestfield | 0RY and 45B, 106A | 1962 |
