| Riches | J. S. | Wyalkatchem | Overland | WM ● 24 | Wyalkatchem Road Board | 1922-23 |
| Riches | J. S. | Wyalkatchem | Citreon | WM ● 4 | Wyalkatchem Road Board | 1923-24 |
| Riches | J. S. | 996 Hay Street, Perth | Cleveland | 6664 | Metro Private Car | 1924-25 |
| Riches | J. S. | 996 Hay Street, Perth | Cleveland | 6664 | Metro Private Car | 1925-26 |
| Riches | Mrs C. | Mount Barker | Chevrolet | PL ● 99 | Plantagenet Road Board | 1927-28 |
| Riches | Mrs H | 111 Grant Street, Swanbourne | Austin | 8954 | Metro Private Car | 1927-28 |
| Riches | P C. | 111 Grant Street, Swanbourne | Austin | 8954 | Metro Private Car | 1926-27 |
| Riches | P. C. | 111 Grant Street, Swanbourne | Austin | 8954 | Metro Private Car | 1925-26 |
| Riches Auto Co | - | Guildford Road, Maylands | Ford Van | 2762 | Metro Private Car | 1927-28 |
| Richie | J. S. | 247 Hamersley Road, Subiaco | Cleveland | 13299 | Metro Private Car | 1927-28 |
| Richie & Jackman | - | 197 Murray Street | Humber 3½ H.P. Motorcycle | P 547 | Perth Municipality | 1916 |
| Richter | A. | - | Overland | PM ● 101 | Perenjori-Morawa Road Board | 1924-25 |
| Richter | A. | Morowa | Overland | PM ● 101 | Perenjori-Morawa Road Board | 1925-26 |
| Richter | A. K | Morowa | Chevrolet Truck | PM ● 85 | Perenjori-Morawa Road Board | 1927-28 |
| Richter | C. | Dumbleyung | Buick | DU ● 34 | Dumbleyung Road Board | 1924-25 |
| Richter | C. | Dumbleyung | Buick | DU ● 34 | Dumbleyung Road Board | 1925-26 |
| Richter | C. | Dumbleyung | Buick | DU ● 34 | Dumbleyung Road Board | 1926-27 |
| Richter | C. | Dumbleyung | Buick | DU ● 34 | Dumbleyung Road Board | 1927-28 |
| Richter | E. | Balcatta Road, Osborne Park | Ford | P ● 53 | Perth Road Board | 1924-25 |
| Richter | E. H. | Maley Road, Osborne Park | Ford Truck | P ● 43 | Perth Road Board | 1925-26 |
| Richter | E. H. | Maley Road, Osborne Park | Ford Truck | P ● 43 | Perth Road Board | 1927-28 |
| Richter | G. & W. | Perth Road, Cottesloe | Rugby | 12255 | Metro Private Car | 1926-27 |
| 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 |
