| Rolfe | E. P. | Calcarra | Dort | VP ● 60 | Victoria Plains Road Board | 1927-28 |
| Rolfe | E. P. | Calcarra | International Truck | VP ● 77 | Victoria Plains Road Board | 1927-28 |
| Rolfe | John | No. 39740 | Bradbury 3½ H.P. Motorcycle | CMC 17 | Coolgardie Municipality | 1915 |
| Rolfe | John | - | Bradbury 3½ H.P. Motorcycle | CMC 16 | Coolgardie Municipality | 1916 |
| Rolfe | R. | Cnr. Balfour & Servetus sts. Swanbourne | Chevrolet | 11026 | Metro Private Car | 1926-27 |
| Romairor | P. | Narembeen | Rugby | NB ● 88 | Narembeen Road Board | 1926-27 |
| Romairor | P. | Narembeen | Rugby | NB ● 88 | Narembeen Road Board | 1927-28 |
| Roman Catholic Church | | Goomalling | Ford 18 H.P. | GO ● 28 | Goomalling Road Board | 1917-18 |
| Roman Catholic Church | - | Goomalling | Ford 18 H.P. | GO ● 28 | Goomalling Road Board | 1919 |
| Rome | E. | Kondinin | Ford Truck | KN ● 40 | Kondinin Road Board | 1925-26 |
| Ronan | J. | Nabawah | Ford 19 H.P. | CU ● 14 | Upper Chapman Road Board | 1922-23 |
| Ronan | J. | Nabawah | Dodge | CU 14 | Chapman Upper Road Board | 1923 - 1924 |
| Ronan | J. | Nabawah | Dodge | CU ● 14 | Upper Chapman Road Board | 1924-25 |
| Ronan | J. | - | Oakland | CU ● 86 | Upper Chapman Road Board | 1925-26 |
| Ronan | J. | - | Oakland | CU ● 86 | Upper Chapman Road Board | 1926-27 |
| Ronan | J. | - | Oakland | CU ● 86 | Upper Chapman Road Board | 1927-28 |
| Ronan | T. | - | Overland | CU ● 92 | Upper Chapman Road Board | 1926-27 |
| Ronan | T. O. | - | Overland | CU ● 92 | Upper Chapman Road Board | 1925-26 |
| Ronan | Thomas | - | Chrysler | CU ● 194 | Upper Chapman Road Board | 1927-28 |
| Roney | C. | Ewington | Indian Motorcycle | CO ● 5 | Collie Road Board | 1922-23 |
| Roney | C. W. | Collie | Ford | CO ● 21 | Collie Road Board | 1923-24 |
| Roney | C. W. | Collie | Ford | CO ● 21 | Collie Road Board | 1924-25 |
| Roney | C. W. | Ewington | Essex | CO ● 59 | Collie Road Board | 1925-26 |
| Roney | T. | Collie | Overland | CM 129 | Collie Municipality | 1927-28 |
| Roney | T. | Collie | Dodge | CM 161 | Collie Municipality | 1927-28 |
| Roney | T. L. C. | Coombe Street, Collie | Studebaker | CM 25 | Collie Municipality | 1923-24 |
| Roney | T. L. C. | Coombe Street, Collie | Studebaker | CM 25 | Collie Municipality | 1924-25 |
| Roney | T. L. C. | Coombe Street, Collie | Studebaker | CM 25 | Collie Municipality | 1925-26 |
| Roney | T. L. C. | Coombe Street, Collie | Studebaker | CM 25 | Collie Municipality | 1926-27 |
| Ronnie | Mrs I. | High Street, Fremantle | Ford Truck | 9202 | Metro Private Car | 1925-26 |
| Rook | J. B. | Junction Holtel | Chevrolet | GU ● 23 | Upper Gascoyne Road Board | 1926-27 |
| Rook | J. B. | Gascoyne Junction | Chevrolet | GU ● 23 | Gascoyne Upper Road Board | 1927-28 |
| Rooke | F. H. | Kattaning | Essex | KA ● 279 | Katanning Road Board | 1926-27 |
| Rooke | F. H. | Ewlyamartup | Essex | KA ● 279 | Katanning Road Board | 1927-28 |
| Rooke | H. J. | 12 Lincoln Street | Triumph 3 H.P. | P 779 | Perth Municipality | 1915 |
| Rooke | H. J. | Belmont Avenue, Belmont | Ford | 5434 | Metro Private Car | 1924-25 |
| Rooke | H. J. | Belmont Avenue, Belmont | Overland | 5434 | Metro Private Car | 1926-27 |
| Rooke | H. J. | Belmont Avenue, Belmont | Overland | 5434 | Metro Private Car | 1927-28 |
| Rooke | J. S. | Carnamah | Chevrolet | CA ● 111 | Carnamah Road Board | 1926-27 |
| Rooke | J. S. | Carnamah | Chevrolet | CA ● 111 | Carnamah Road Board | 1927-28 |
| Rooney | C. J. | Manjimup | Ford Truck | WA ● 20 | Manjimup Road Board | 1927-28 |
| Rooney | S. F. | 11 Clarence Street, Mount Lawley | Chrysler | 6111 | Metro Private Car | 1927-28 |
| Rooney | W. | Training College Claremont | Chevrolet | 4289 | Metro Private Car | 1924-25 |
| Rooney | W. J. | Training College, Claremont | Chevrolet | 4289 | Metro Private Car | 1923-24 |
| Rooney | W. J. | Training College Claremont | Hupmobile | 4289 | Metro Private Car | 1925-26 |
| Rooney | W. J. | Training College Claremont | Hupmobile | 4289 | Metro Private Car | 1926-27 |
| Rooney | W. J. | Training College Claremont | Hupmobile | 4289 | Metro Private Car | 1927-28 |
| Rooney | W. J. | 5 Ventnor Avenue, West Perth | Studebaker | 11129 | Metro Private Car | 1927-28 |
| Roose | C. G. | Dumbleyung | Chevrolet Truck | DU ● 189 | Dumbleyung Road Board | 1927-28 |
| Rooth | Mr Justice | Weld Club | Talbot 12-16 H.P. | P 519 | Perth Municipality | 1915 |
