| Ward Bros | - | Moulyinning | Studebaker | DU ● 141 | Dumbleyung Road Board | 1926-27 |
| Ward Bros | - | Belka | Studebaker | MD ● 30 | Merredin Road Board | 1927-28 |
| Warne | Sarah M. | 5 Dalkeith Road, Claremont | Dodge | 9707 | Metro Private Car | 1927-28 |
| Warnecke | - | Capel | Studebaker | CP ● 29 | Capel Road Board | 1927-28 |
| Warnecke | V. L. | Capel | Dodge | CP ● 29 | Capel Road Board | 1925-26 |
| Warnecke | V. L. | Capel | Dodge | CP ● 29 | Capel Road Board | 1926-27 |
| Warner | Gordon | Kellerberrin | Ford 20 H.P. | K 7 | Kellerberrin Road Board | 1915 |
| Warner | J. K. | 132 High Street, Fremantle | Studebaker | 12571 | Metro Private Car | 1927-28 |
| Warner | P. L. | Kwekan | Studebaker | KTY ● 149 | Kununoppin-Trayning Road Board | 1927-28 |
| Warner | R. | 34-48 Keightley Road | Motorcycle | S 125 | Subiaco Municipality | 1917-18 |
| Warner | R. | 34-48 Keightley Road | - | S 125 | Subiaco Municipality | 1919 |
| Warner | R. R | 34 Keightly Road, Subiaco | Chevrolet | 8220 | Metro Private Car | 1927-28 |
| Warner | R. R. | 34 Keightly Road, Subiaco | Chevrolet | 8220 | Metro Private Car | 1925-26 |
| Warner | R. R. | 34 Keightly Road, Subiaco | Chevrolet | 8220 | Metro Private Car | 1926-27 |
| Warner & Skellet | - | Busselton | Ford Truck | BN 62 | Busselton Municipality | 1924-25 |
| Warnes | F. R. | Cunderdin | Chevrolet | ME ● 269 | Meckering Road Board | 1927-28 |
| Warnes | J. T. | Cunderdin | Chevrolet | ME ● 269 | Meckering Road Board | 1926-27 |
| Warnes | W. | Cunderdin | De Dion | ME ● 14 | Meckering Road Board | 1922-23 |
| Warnes | W. | Cunderdin | Ford | ME ● 14 | Meckering Road Board | 1924-25 |
| Warnes | W. | Cunderdin | Ford | ME ● 14 | Meckering Road Board | 1925-26 |
| Warnes | W. | Cunderdin | Dodge | ME ● 14 | Meckering Road Board | 1926-27 |
| Warnes | W. | Cunderdin | Dodge | ME ● 14 | Meckering Road Board | 1927-28 |
| Warnes | W. L. | - | - | ME ● 240 | Meckering Road Board | 1926-27 |
| Warnock | J. C. | Mount Barker | Ford | PL ● 75 | Plantagenet Road Board | 1925-26 |
| Warnock | J. C. | Mount Barker | Ford | PL ● 75 | Plantagenet Road Board | 1926-27 |
| Warnock | J. C. | Mount Barker | Ford Truck | PL ● 124 | Plantagenet Road Board | 1927-28 |
| Warnock | John C. | Mount Barker | Ford | PL ● 75 | Plantagenet Road Board | 1924-25 |
| Warnock | John Clerk | Mount Barker | Ford | PL ● 75 | Plantagenet Road Board | 1922-23 |
| Warnock | John Clerk | Mount Barker | Ford | PL ● 75 | Plantagenet Road Board | 1923-24 |
| Warren | E. D. C. | Warren Road | Ford | KT ● 9 | Kent Road Board | 1924-25 |
| Warren | E. D. C. | Warren Road | Ford | KT ● 9 | Kent Road Board | 1925-26 |
| Warren | E. D. C. | Warren Road | Ford | KT ● 9 | Kent Road Board | 1926-27 |
| Warren | E. D. C. | Warren Road | Ford | KT ● 9 | Kent Road Board | 1927-28 |
| Washing | C. J. | 407 Murray Street | Stubebaker 18 H.P. | P 133 | Perth Municipality | 1919 |
| Washing | G. A. | Murray Street | Studebaker 20 H.P. | P 133 | Perth Municipality | 1917-18 |
| Wastson | F. W. | 5 Boreham Street, Cottesloe | Studebaker | 12554 | Metro Private Car | 1927-28 |
| Water Supply Department | - | Kellerberrin | Ford Truck | KE ● 121 | Kellerberrin Road Board | 1924-25 |
| Waterhouse | W. E. | Nungarin | Studebaker | NA ● 22 | Nungarin Road Board | 1925-26 |
| Waterhouse | W. S. | Nungarin | Studebaker | NA ● 24 | Nungarin Road Board | 1923-24 |
| Waterhouse | W. S. | Nungarin | Studebaker | NA ● 22 | Nungarin Road Board | 1924-25 |
| Waterman | A. | 132 Murray Street, Perth | Studebaker 15 H.P. | P 256 | Perth Municipality | 1916 |
| Waterman | A. | Albany Road, Victoria Park | Studebaker | 634 | Metro Private Car | 1924-25 |
| Waterman | A. | Albany Road, Victoria Park | Studebaker | 634 | Metro Private Car | 1925-26 |
| Waterman | A. | Albany Road, Victoria Park | Studebaker | 634 | Metro Private Car | 1926-27 |
| Waterman | A. | Albany Road, Victoria Park | Studebaker | 634 | Metro Private Car | 1927-28 |
| Waterman & Co | - | Murray Street | Studebaker 20 H.P. | P 771 | Perth Municipality | 1915 |
| Waters | D. E. | Bedfordale | Chevrolet | A-K ● 68 | Armadale-Kelmscott Road Board | 1924-25 |
| Waters | D. E. | Bedfordale | Dodge | A-K ● 68 | Armadale-Kelmscott Road Board | 1925-26 |
| Waters | D. E. | Bedfordale | Dodge | A-K ● 68 | Armadale-Kelmscott Road Board | 1926-27 |
| Waters | Harold E. | York Road, Midland | Studebaker | 3393 | Metropolitan Hire and Trade Cars | 1923-24 |
