| Rogers Bros | - | Claremont Avenue, Claremont | Ford Wagon | 6108 | Metro Private Car | 1927-28 |
| Rogers Bros | - | Fitzgerald Street | Ford Truck | N 220 | Northam Municipality | 1927-28 |
| Rogers Ltd | - | Katanning | Willys-Knight | KA ● 9 | Katanning Road Board | 1925-26 |
| Rogerson | Mrs L. M. | Winifred Street, Cottesloe Beach | Ford | 5046 | Metro Private Car | 1924-25 |
| Rogerson | Mrs L. M. | Winfield Street, Cottesloe Beach | Ford | 5046 | Metro Private Car | 1925-26 |
| Rogerson | R. | 129 Joel Terrace | Studebaker 20 H.P. | P 472 | Perth Municipality | 1915 |
| Rogerson | R. | 129 Joel Terrace | Dodge 20 H.P. | P 670 | Perth Municipality | 1917-18 |
| Rogerson | R. | 129 Joel Terrace | Dodge 20 H.P. | P 670 | Perth Municipality | 1919 |
| Rogerson | R. | 132 Joel Terrace, Perth | Dodge | 667 | Metro Private Car | 1922-23 |
| Rogerson | R. | 132 Joel Terrace, Mount Lawley | Dodge | 5469 | Metro Private Car | 1924-25 |
| Rogerson | R. | 132 Joel Terrace, East Perth | Dodge | 667 | Metro Private Car | 1924-25 |
| Rogerson | R. | 699 Beaufort Street, Mount Lawley | Dodge | 5469 | Metro Private Car | 1926-27 |
| Rogerson | Robert | Joel Terrace, East Perth | Flanders 20 H.P. | P 472 | Perth Municipality | 1916 |
| Rogerson | Robert | 132 Joel Terrace, East Perth | Dodge | 667 | Metro Private Car | 1923-24 |
| Rogie | J. | East Pingelly | Chevrolet | PN ● 67 | Pingelly Road Board | 1924-25 |
| Rogie | J. | East Pingelly | Chevrolet | PN ● 67 | Pingelly Road Board | 1924-25 |
| Rogie | J. | East Pingelly | Chevrolet | PN ● 67 | Pingelly Road Board | 1927-28 |
| Rogle Bros. | - | - | Ford 20 H.P. | GN ● 17 | Geraldton Municipality | 1923-24 |
| Rohan | R. W. F. | Doodlakine | B.S.A. 4½ H.P. Motorcycle | KE 15 | Kellerberrin Road Board | 1919 |
| Rohan | W. F. | Central Hotel, Perth | B.S.A. 4½ H.P. Motorcycle | P 44 | Perth Municipality | 1917-18 |
| Rohde | J. P. | Byford | Overland | A-K ● 121 | Armadale-Kelmscott Road Board | 1926-27 |
| Rohde | J. P. | Byford | Overland | A-K ● 121 | Armadale-Kelmscott Road Board | 1927-28 |
| Rohen | W. F. | 11 Cargill Street, Victoria Park | Chevrolet | 13393 | Metro Private Car | 1926-27 |
| Rohrig | S. | Kanowna | Ford | K ● 75 | Kalgoorlie Road Board | 1926-27 |
| Rohrig | S. | Kanowna | Ford | K ● 75 | Kalgoorlie Road Board | 1927-28 |
| Rohrs | A. | Gnowangerup | Studebaker 20 H.P. | GN 12 | Gnowangerup Road Board | 1916 |
| Rohrs | Jno. | Gnowangerup | Ford 19 H.P. | GN ● 37 | Gnowangerup Road Board | 1922-23 |
| Rohrs | John | Northampton | Chevrolet | NR ● 10 | Northampton Road Board | 1923-24 |
| Roland | A. | Bunbury | Studebaker | BY 33 | Bunbury Municipality | 1926-27 |
| Roland | Benn | Kojonup | Buick | KO ● 111 | Kojonup Road Board | 1926-27 |
| Roland | Benn | Kojonup | Buick | KO ● 111 | Kojonup Road Board | 1927-28 |
| Roland Smith & Co | - | 233 Murray Street, Perth | Chevrolet | 14961 | Metro Private Car | 1927-28 |
| Rolands & Co | - | Harvest Road, North Fremantle | Chevrolet | 15932 | Metro Private Car | 1927-28 |
| Rolfe | A. | Pemberton | Studebaker | WA ● 161 | Manjimup Road Board | 1927-28 |
| Rolfe | B. | Maritana Street | Overland 20 H.P. | KMC 15 | Kalgoorlie Municipality | 1916 |
| Rolfe | B. | Osborne Road | Overland 20 H.P. | EF 103 | East Fremantle Municipality | 1917-18 |
| Rolfe | B. | cr. High & Ord streets, Fremantle | Willys-Knight | 1650 | Metro Private Car | 1924-25 |
| Rolfe | B. | Cnr. High & Ord streets, Fremantle | Willys-Knight | 1650 | Metro Private Car | 1925-26 |
| Rolfe | B. | Cnr. High & Ord Street, Fremantle | Willys-Knight | 11555 | Metro Private Car | 1926-27 |
| Rolfe | Bert | - | E.M.F. 20 H.P. | KMC 7 | Kalgoorlie Municipality | 1915 |
| Rolfe | Bert | - | Maxwell 20 H.P. | KMC 8 | Kalgoorlie Municipality | 1915 |
| Rolfe | Bert | Stirling Street | Ford 20 H.P. | F 40 | Fremantle Municipal Council | 1919 |
| Rolfe | Bert | Corner High & Ord Streets, Fremantle | Willy's-Knight | 1650 | Metro Private Car | 1923-24 |
| Rolfe | Bert | 180 Esplanade Perth | Willys-Knight | 11555 | Metro Private Car | 1927-28 |
| Rolfe | Bert | 180 Esplanade Perth | Willys-Knight | 11555 | Metro Private Car | 1927-28 |
| Rolfe | E. P. | Benaring, Bolgart | Rover | VP ● 8 | Victoria Plains Road Board | 1922-23 |
| Rolfe | E. P. | Benaring, Bolgard | Rover | VP ● 8 | Victoria Plains Road Board | 1923-24 |
| Rolfe | E. P. | Calcarra | Dodge | VP ● 51 | Victoria Plains Road Board | 1925-26 |
| Rolfe | E. P. | Calcarra | Dort | VP ● 60 | Victoria Plains Road Board | 1926-27 |
| Rolfe | E. P. | Calcarra | International Truck | VP ● 77 | Victoria Plains Road Board | 1926-27 |
