| Robinson & Co | V. A. | The Cottage, Burekup | VR3 and 108D, 14E | 1962 |
| Robinson & Co. | - | Coongan Station via Port Headland | R4C | 1912 |
| Robinson & Dick | - | Midland Junction, Midland Junction | 6DR and 47B, 5E | 1962 |
| Robinson & Meredith | F. S. & W. | Old Hundred Farm Yarding | M6R | 1924 |
| Robinson & Son | W. J. | Woondillon, Babakin | 8RB and 43C, 28A | 1962 |
| Robinson & Sons | J. | Behanging, via Newgumber | XL0 | 1926 |
| Robinson & Summers | - | Lindum Wells Farm, Kondut, Town address, Box 262 G. P. O. | X0R | 1924 |
| Robinson Est. | H. | Omrah, Mt Barker | OM2 and 17B, 80A | 1962 |
| Robinson Pty. Ltd | D. P & M. | Studleigh, Gutha | A7R and 18B, 67E | 1962 |
| Robson | Ethel | Commonage, Beria | KR7 | 1924 |
| Robson | F. S. | Korijekup 6 and 8, HAA 997, Harvey | FR4 and 84D, 102E | 1962 |
| Robson | George & Ann | Landerdale, Collie | RR2 | 1924 |
| 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 |
