| Doncon | E. R. | Wickepin | Dodge | WK ● 90 | Wickepin Road Board | 1924-25 |
| Doncon | E. R. | Wickepin | Dodge | WK ● 90 | Wickepin Road Board | 1925-26 |
| Doncon | E. R. | Wickepin | Dodge | WK ● 90 | Wickepin Road Board | 1927-28 |
| Doncon | E. R. | Wickepin | Chevrolet Truck | WK ● 222 | Wickepin Road Board | 1927-28 |
| Donelly | N. E. | Brookman Street | Studebaker 15 H.P. | KMC 32 | Kalgoorlie Municipality | 1916 |
| Doney | J. T. | Merredin | Studebaker | MD ● 94 | Merredin Road Board | 1926-27 |
| Doney | J. T. | Merredin | Studebaker | MD ● 94 | Merredin Road Board | 1927-28 |
| Donnan | W. | Tammin | Ford 20 H.P. | MKB 9 | Meckering Road Board | 1915 |
| Donnan | W. | Tammin | Oakland | ME ● 9 | Meckering Road Board | 1922-23 |
| Donnan | W. | Tammin | Oakland | ME ● 9 | Meckering Road Board | 1923-24 |
| Donnan | W. | Tammin | Oakland | ME ● 9 | Meckering Road Board | 1924-25 |
| Donnan | W. | Tammin | Chrysler | ME ● 9 | Meckering Road Board | 1925-26 |
| Donnan | W. | Tammin | Chrysler | ME ● 9 | Meckering Road Board | 1927-28 |
| Donnan | William | - | Ford 20 H.P. | ME 9 | Meckering Road Board | 1916 |
| Donnell | W. L. R. | Tammin | Dodge | ME ● 29 | Meckering Road Board | 1926-27 |
| Donnell | W. L. R. | Tammin | Dodge | ME ● 29 | Meckering Road Board | 1927-28 |
| Donnelly | Mrs T. H. | - | Studebaker 15 H.P. | KMC 32 | Kalgoorlie Municipality | 1915 |
| Donnison | W. J. | Baandee | Ford Truck | KE ● 26 | Kellerberrin Road Board | 1925-26 |
| Donnison | W. J. | Baandee | Graham Truck | KE ● 26 | Kellerberrin Road Board | 1926-27 |
| Donnison | W. J. | Baandee | Graham Truck | KE ● 26 | Kellerberrin Road Board | 1927-28 |
| Donoghue | M. J. | 22 Florence Street, South Fremantle | Studebaker 18-20 H.P. | F 24 | Fremantle Municipal Council | 1917-18 |
| Donohoe | F. | Kellerberrin | Ford | KE ● 378 | Kellerberrin Road Board | 1927-28 |
| Donohoe | J. | Broad Arrow | Studebaker 30 H.P. | BA 8 | Broad Arrow Road Board | 1915 |
| Donohoe | M. J. | Broad Arrow | Studebaker 30 H.P. | Ba 8 | Broad Arrow Road Board | 1916 |
| Donohoe | M. J. | 202 South Terrace, Fremantle | Studebaker | 3223 | Metropolitan Hire and Trade Cars | 1923-24 |
| Donohue | F. | Mount Barker | Ford Truck | PL ● 90 | Plantagenet Road Board | 1925-26 |
| Donohue | F. | Mount Barker | Ford Truck | PL ● 90 | Plantagenet Road Board | 1926-27 |
| Donovan | S. B. | Cunderdin | Hupmobile | ME ● 31 | Meckering Road Board | 1922-23 |
| Donovan | S. B. | Cunderdin | Hupmobile | ME ● 31 | Meckering Road Board | 1923-24 |
| Donovan | S. B. | Cunderdin | Hupmobile | ME ● 31 | Meckering Road Board | 1924-25 |
| Donovan | S. B. | Cunderdin | Hupmobile | ME ● 31 | Meckering Road Board | 1925-26 |
| Donovan | S. B. | Cunderdin | Hupmobile | ME ● 31 | Meckering Road Board | 1926-27 |
| Donovan | S. B. | Cunderdin | Hupmobile | ME ● 31 | Meckering Road Board | 1927-28 |
| Doodlakine Co-op. | - | Doodlakine | Gray | KE ● 35 | Kellerberrin Road Board | 1925-26 |
| Doodlakine Farmers Co-op. Ltd | - | - | Gray | KE ● 35 | Kellerberrin Road Board | 1924-25 |
| Dorett | Ken | Denmark | Great Britain Truck | DE ● 23 | Denmark Road Board | 1925-26 |
| Dorizzi | F. P. | Gnowangerup | Studebaker | GN ● 79 | Gnowangerup Road Board | 1925-26 |
| Dorizzi | F. P. | Gnowangerup | Studebaker | GN ● 79 | Gnowangerup Road Board | 1926-27 |
| Dorizzi | F. P. | Gnowangerup | Studebaker | GN ● 79 | Gnowangerup Road Board | 1927-28 |
| Doscas | J. | 64 John Street, Cottesloe | Studebaker | 3251 | Metropolitan Hire and Trade Cars | 1923-24 |
| Doscas | J. | 64 John Street, Cottesloe | Studebaker | 5007 | Metro Private Car | 1925-26 |
| Doscas | J. | 64 John Street, Cottesloe | Studebaker | 5007 | Metro Private Car | 1926-27 |
| Douglas | Kenneth E. | 2 Marion Street, Leederville | Austin | 1380 | Metro Private Car | 1924-25 |
| Douglas | Percy M. | 117 Bourke Street, Leederville | Chevrolet | 2676 | Metro Private Car | 1927-28 |
| Doust | H. A. | 14 Willis Street, Cottesloe Beach | Studebaker | 1338 | Metro Private Car | 1927-28 |
| Dowell | A. E. | Albany | Studebaker 20 H.P. | A 33 | Albany Municipality | 1917-18 |
| Dowell | J. E. | Bedfordale | Ford Truck | A-K ● 65 | Armadale-Kelmscott Road Board | 1927-28 |
| Dowell | O. | Bedfordale | Ford Truck | A-K ● 65 | Armadale-Kelmscott Road Board | 1924-25 |
| Dowell | O. | Bedfordale | Ford Truck | A-K ● 65 | Armadale-Kelmscott Road Board | 1925-26 |
| Dowell | O. | Bedfordale | Ford Truck | A-K ● 65 | Armadale-Kelmscott Road Board | 1926-27 |
