| Rodway | A. C. | 45 Mabel Street, North Perth | Ford Van | 4836 | Metro Private Car | 1927-28 |
| Roe | A. | Leonora | Buick | LA ● 6 | Lawlers Road Board | 1924-25 |
| Roe | A. | Leonora | Buick | LA ● 6 | Lawlers Road Board | 1925-26 |
| Roe | A. | Leonora | Ford | LA ● 12 | Lawlers Road Board | 1925-26 |
| Roe | A. A | Leonora | Ford 19 H.P. | LM ● 57 | Leonora-Malcolm Road Board | 1922-23 |
| Roe | A. A. | Leonora | Buick Six | WU ● 1 | Wiluna Road Board | 1922-23 |
| Roe | A. A. | Leonora | Buick | LA ● 6 | Lawlers Road Board | 1922-23 |
| Roe | A. A. | Leonora | Buick | WU ● 1 | Wiluna Road Board | 1923-24 |
| Roe | A. A. | Leonora | Buick | LA ● 6 | Lawlers Road Board | 1923-24 |
| Roe | A. A. | Leonora | Austin | LM ● 19 | Leonora-Malcolm Road Board | 1923-24 |
| Roe | A. A. | Leonora | Austin | LM ● 19 | Leonora-Malcolm Road Board | 1924-25 |
| Roe | A. A. | Leonora | Buick | WU ● 1 | Wiluna Road Board | 1924-25 |
| Roe | A. A. | 169 Saint George's Terrace, Perth | Austin | 10028 | Metro Hire or Trade | 1925-26 |
| Roe | A. A. | 169 Saint George's Terrace, Perth | Austin | 10028 | Metro Hire or Trade | 1926-27 |
| Roe | A. A. | 169 Saint George's Terrace, Perth | Austin | 14537 | Metro Private Car | 1927-28 |
| Roe | D. | Esplanade | 3½ H.P. Motorcycle | PG ● 14 | Peppermint Grove Road Board | 1917-18 |
| Roe | D. | Esplanade | 3½ H.P. Motorcycle | PG ● 14 | Peppermint Grove Road Board | 1919 |
| Roe | F. | Grass Valley | Ford | N ● 118 | Northam Road Board | 1925-26 |
| Roe | F. | Grass Valley | Ford | N ● 118 | Northam Road Board | 1926-27 |
| Roe | F. | Grass Valley | Ford | N ● 118 | Northam Road Board | 1927-28 |
| Roe | F. W. | - | Dodge | N ● 11 | Northam Road Board | 1927-28 |
| Roe | H. | 47 Rupert Street, Subiaco | Crossley | 12496 | Metro Private Car | 1927-28 |
| Roe | H. D. | Langsford Street, Claremont | Dodge | 1576 | Metro Private Car | 1924-25 |
| Roe | J. A. | Yoting | Ford | Q ● 22 | Quairading Road Board | 1926-27 |
| Roe | J. E. | Esplanade Cottesloe | Chevrolet | 11339 | Metro Private Car | 1926-27 |
| Roe | J. E. | Esplanade Cottesloe | Chevrolet | 11339 | Metro Private Car | 1927-28 |
| Roe | J. F. | Sandalford, Guildford | Ford 20 H.P. | SW 6 | Swan Road Board | 1916 |
| Roe | J. F. | West Swan via, Guildford | Willys-Knight | 12027 | Metro Private Car | 1926-27 |
| Roe | J. F. | Gabalong | Chevrolet Truck | VP ● 25 | Victoria Plains Road Board | 1927-28 |
| Roe | J. F. | West Swan via, Guildford | Willys-Knight | 12027 | Metro Private Car | 1927-28 |
| Roe | J. Fred | West Swan | Dodge | SW ● 6 | Swan Road Board | 1923-24 |
| Roe | J. S. | Sandleford, Guildford | Ford 20 H.P. | SRB 6 | Swan Road Board | 1915 |
| Roe | John F. | West Swan | Motor Car 20 H.P. | SW ● 6 | Swan Road Board | 1917-18 |
| Roe | John F. | West Swan | Motor car 20 H.P. | SW ● 6 | Swan Road Board | 1919 |
| Roe | M. | Grass Valley | Ford | N ● 119 | Northam Road Board | 1926-27 |
| Roe | M. W. | Grass Valley | Ford | N ● 119 | Northam Road Board | 1927-28 |
| Roe | N. | Grass Valley | Ford | N ● 119 | Northam Road Board | 1925-26 |
| Roe | Norman | Lord Street | Studebaker 20 H.P. | P 279 | Perth Municipality | 1915 |
| Roe | Robert | cr. Balfour & Servetus Streets, Swanbourne | Chevrolet | 11026 | Metro Private Car | 1927-28 |
| Roe | W. | 104 Onslow Road, Subiaco | Chevrolet | 8523 | Metro Private Car | 1926-27 |
| Roe | W. | 104 Onslow Road, Subiaco | Chevrolet | 8523 | Metro Private Car | 1927-28 |
| Roebourne Produce Co | - | Cossack Port Hedland | Ford Truck | R ● 44 | Roebourne Road Board | 1925-26 |
| Roebourne Road Board | - | Roebourne | Ford Truck | R ● 8 | Roebourne Road Board | 1925-26 |
| Roebourne Road Board | - | Roebourne | Ford Truck | R ● 8 | Roebourne Road Board | 1926-27 |
| Roebourne Road Board | - | Roebourne | Ford Truck | R ● 8 | Roebourne Road Board | 1927-28 |
| Roebourne Road Board | - | Roebourne | Ford Truck | R ● 47 | Roebourne Road Board | 1927-28 |
| Roediger | P. H. | Goomalling | Studebaker | GO ● 31 | Goomalling Road Board | 1924-25 |
| Roediger | P. H. | Northam | Studebaker | N ● 102 | Northam Road Board | 1927-28 |
| Roedyer | P. | Northam | Studebaker | N ● 102 | Northam Road Board | 1925-26 |
| Roger | F. | Australind | Ford | H ● 3 | Harvey Road Board | 1924-25 |
