| Richter | G. G. | 106 Perth-Fremantle Road, Cottesloe | Rugby Wagon | 12255 | Metro Private Car | 1927-28 |
| Richter | Geo. | Wickepin | Dodge | WK ● 24 | Wickepin Road Board | 1926-27 |
| Richter | Geo. | Wickepin | Dodge | WK ● 24 | Wickepin Road Board | 1927-28 |
| Richter | George | Wickepin | Dodge | WK ● 24 | Wickepin Road Board | 1923-24 |
| Richter | George | Wickepin | Dodge | WK ● 24 | Wickepin Road Board | 1924-25 |
| Richter | George | Wickepin | Dodge | WK ● 24 | Wickepin Road Board | 1925-26 |
| Richter | Mrs Maud | 97 Raglan Road, North Perth | Chandler | 3308 | Metropolitan Hire and Trade Cars | 1923-24 |
| Rickards | W. H. | Smiths Mill | Triumph 3½ H.P. Motorcycle | GE 11 | Greenmount Road Board | 1916 |
| Rickart | Wm. | 403 Albany Road, Victoria Park | Zenith & Sidecar | 894 | Metro Motorcycle | 1922-23 |
| Ricke | J. T. | 182 Aberdeen Street, Perth | Reo | 3293 | Metro Hire or Trade | 1927-28 |
| Rickerton | A. L. | Roebourne | Ford | R ● 9 | Roebourne Road Board | 1925-26 |
| Rickerton | A. L. | Roebourne | Ford | R ● 9 | Roebourne Road Board | 1926-27 |
| Rickett | N. | Katanning | Dodge | KA ● 176 | Katanning Road Board | 1925-26 |
| Rickett | N. | Katanning | Chevrolet | KA ● 44 | Katanning Road Board | 1926-27 |
| Rickett | N. | Katanning | Chevrolet | KA ● 44 | Katanning Road Board | 1927-28 |
| Rickson | A. G. | Bolgart | Ford Truck | VP ● 34 | Victoria Plains Road Board | 1925-26 |
| Rickson | M. | Bolgart | Dodge | VP ● 95 | Victoria Plains Road Board | 1927-28 |
| Rickson | M. A. | Bolgart | Chevrolet | VP ● 54 | Victoria Plains Road Board | 1925-26 |
| Rickson | M. A. | Bolgart | Chevrolet | VP ● 54 | Victoria Plains Road Board | 1926-27 |
| Rickson | M. A. | Bolgart | Chevrolet | VP ● 54 | Victoria Plains Road Board | 1927-28 |
| Ridden | C. W. | Bakers Hill | Essex | N ● 168 | Northam Road Board | 1926-27 |
| Riddett | D. | 18 Manchester Street, Victoria Park | Ford Wagon | 9864 | Metro Private Car | 1926-27 |
| Riddett | D. | 18 Manchester Street, Victoria Park | Ford Wagon | 9864 | Metro Private Car | 1927-28 |
| Riddle | E. | 55 First Avenue, Maylands | Citroen | 6837 | Metro Private Car | 1925-26 |
| Riddle | E. C. | Queenslea Drive, Claremont | - | C 119 | Claremont Municipality | 1919 |
| Riddles | F. J. | 281 Vincent Street | B.S.A. 3½ H.P. Motorcycle | P 1328 | Perth Municipality | 1919 |
| Riddles | F. J. | 281 Vincent Street, Leederville | Ford | 2448 | Metro Private Car | 1922-23 |
| Riddles | F. J. | 281 Vincent Street, Leederville | Ford | 2448 | Metro Private Car | 1923-24 |
| Riddles | Rev E. | Toodyay | Indian 5 H.P. Motorcycle | T ● 9 | Toodyay Road Board | 1917-18 |
| Riddles | Rev F. J. | 73 Berwick Street, Victoria Park | Ford | 1088 | Metro Private Car | 1926-27 |
| Riddles | Rev. J. F. | Berwick Street, Victoria Park | Studebaker | 6438 | Metro Private Car | 1924-25 |
| Riddon | S. | Dwellingup | Buick | MY ● 135 | Murray Road Board | 1926-27 |
| Ridewell | Robert | Cnr. Charles & Carr streets, Perth | Maxwell | 1242 | Metro Private Car | 1927-28 |
| Ridge Bros & Dow | - | Busselton | Ford Truck | BN 23 | Busselton Municipality | 1924-25 |
| Ridgeway | C. C. | Mount Kokeby | Overland | BE ● 44 | Beverley Road Board | 1925-26 |
| Ridgeway | C. C. | Mount Kokeby | Overland | BE ● 44 | Beverley Road Board | 1926-27 |
| Ridgeway | Chas. | Mount Kokeby | New J.A.P. 3 ½ H.P. | BE ● 71 | Beverley Road Board | 1919 |
| Ridgeway | G. | Beria | Chenard-Walcker 20 H.P. Private Car | MG ● 2 | Mount Magnet Road Board | 1917-18 |
| Ridgeway | G. | Mouatt Street, Perth | Austin | 5116 | Metro Private Car | 1924-25 |
| Ridgeway | G. | 17 Mount Street, Perth | Austin | 5116 | Metro Private Car | 1925-26 |
| Ridgeway | G. | 17 Mount Street, Perth | Austin | 5116 | Metro Private Car | 1926-27 |
| Ridgeway | R. | Mount Kokeby | Imp. J.A.P. 3 ½ H.P. | BE ● 72 | Beverley Road Board | 1919 |
| Ridgeway | R. | Mount Kokeby | Imp J.A.P. 3½ H.P. Motorcycle | BE ● 72 | Beverley Road Board | 1922-23 |
| Ridgeway | T. T. | Kokeby | Overland | BEV 11 | Beverley Road Board | 1915 |
| Ridgeway | T. T. | Beverley | Ford | BE 11 | Beverley Road Board | 1916 |
| Ridgeway | T. T. | Mount Kokeby | Overland | BE ● 11 | Beverley Road Board | 1925-26 |
| Ridgeway | T. T. | Mount Kokeby | Dodge | BE ● 246 | Beverley Road Board | 1925-26 |
| Ridgeway | T. T. | Mount Kokeby | Overland | BE ● 11 | Beverley Road Board | 1926-27 |
| Ridgeway | T. T. | Mount Kokeby | Dodge | BE ● 246 | Beverley Road Board | 1926-27 |
| Ridgeway | T. T. | Mount Kokeby | Dodge | BE ● 246 | Beverley Road Board | 1927-28 |
