| Dalgety and Co Ltd | - | William Street, Perth | Dealers | 2938 | Metro Dealers Car | 1923-24 |
| Dalgety and Co Ltd | - | William Street, Perth | Dealers | 2956 | Metro Dealers Car | 1923-24 |
| Dalgety Downs Pastoral Co | - | Dalgets Downs Station | Ford | GU ● 20 | Gascoyne Upper Road Board | 1927-28 |
| Dalgety Downs Pastoral Co | - | - | Ford Truck | GU ● 56 | Gascoyne Upper Road Board | 1927-28 |
| Dalgety Downs Pastoral Co | - | Dalgety Downs | Ford Truck | GU ● 62 | Gascoyne Upper Road Board | 1927-28 |
| Dalgety Ltd | - | Perth | Buick | 4702 | Metro Private Car | 1924-25 |
| Dalgety& Co | - | Roebourne | Buick | R ● 48 | Roebourne Road Board | 1927-28 |
| Dalgety's Ltd | - | Perth | Buick | 4702 | Metro Private Car | 1923-24 |
| Dalgleish | Mrs T. | Harvey | Dodge | H ● 243 | Harvey Road Board | 1927-28 |
| Dalguty & Co | - | Eleanor Street, Geraldton | Buick | GN 1 | Geraldton Municipality | 1926-27 |
| Dalish | C. G. | 118 Wittenoom Street, East Perth | Ford | 8057 | Metro Private Car | 1927-28 |
| Dall | S. C. | Quairading | Ford | Q ● 38 | Quairading Road Board | 1923-24 |
| Dall | S. C. | Quairading | Ford | Q ● 38 | Quairading Road Board | 1924-25 |
| Dall | S. C. | Quairading | Ford | Q ● 38 | Quairading Road Board | 1925-26 |
| Dall | S. C. | Quairading | Buick | Q ● 96 | Quairading Road Board | 1925-26 |
| Dall | S. C. | Quairading | Buick | Q ● 96 | Quairading Road Board | 1926-27 |
| Dall | S. C. | Quairading | Buick | Q ● 96 | Quairading Road Board | 1927-28 |
| Dall | Syd. Cecil | Quairading | Triumph 3½ H.P. Motorcycle | AV ● - | Avon Road Board | 1917-18 |
| Dallas | H. M. | Bridgetown | Chevrolet | B ● 88 | Bridgetown Road Board | 1924-25 |
| Dallas | H. M. | Bridgetown | Chevrolet | B ● 88 | Bridgetown Road Board | 1925-26 |
| Dallas | H. M. | Bridgetown | Chevrolet | B ● 88 | Bridgetown Road Board | 1926-27 |
| Dallas | H. M. | Bridgetown | Chevrolet | B ● 88 | Bridgetown Road Board | 1927-28 |
| Dalley | C. | Mornington | Chevrolet | H ● 222 | Harvey Road Board | 1927-28 |
| Dalley | G. | Hannan Street, Kalgoorlie | Chevrolet | KMC 243 | Kalgoorlie Municipal Council | 1927-28 |
| Dallimore | J. W. | 12 Townshend Road, Subiaco | Buick | 11280 | Metro Private Car | 1927-28 |
| Dallison | R. | Ravensthorpe | Dodge | PR ● 34 | Phillips River Road Board | 1927-28 |
| Dally | F. | - | Ford | NM ● 28 | Norseman Road Board | 1926-27 |
| Dally | F. | Norseman | Ford | NM ● 27 | Norseman Road Board | 1927-28 |
| Dally | Mrs A. | 18 Clotilde Street, Mount Lawley | Chrysler | 13651 | Metro Private Car | 1926-27 |
| Dalmair | J. | Welshpool Road, Welshpool | Chevrolet | 8677 | Metro Private Car | 1925-26 |
| Dalrymple | D. | Wuraming | Ford | MR ● 7 | Marradong Road Board | 1924-25 |
| Dalton | Chas. F. | 35 Arundle Street, Fremantle | Harley Davidson & Sidecar | 1394 | Metro Motorcycle | 1922-23 |
| Dalton | J. S. (Secretary Road Board) | - | Bradbury 3½ H.P. Motorcycle | - | Murchison Road Board | 1915 |
| Dalton | L. | Irvine Street, Peppermint Grove | Studebaker 25 H.P. | PG 34 | Peppermint Grove Road Board | 1919 |
| Dalton | L. C. | Wickepin | Ford Truck | WK ● 200 | Wickepin Road Board | 1927-28 |
| Dalton | Leslie | Merredin | Swift | MD ● 21 | Merredin Road Board | 1927-28 |
| Dalton | R. F. | Napier Street, Claremont | Ford 15 H.P. | CL ● 126 | Claremont Road Board | 1919 |
| Dalton | R. T. | Merredin | Overland | MD ● 40 | Merredin Road Board | 1923-24 |
| Dalton | R. T. | Merredin | Overland | MD ● 40 | Merredin Road Board | 1924-25 |
| Dalton | W. | Parkeston | Overland | K ● 43 | Kalgoorlie Road Board | 1926-27 |
| Dalton | W. | Parkeston | Overland | K ● 43 | Kalgoorlie Road Board | 1927-28 |
| Dalwallinu Co-op | - | - | Chevrolet | DL ● 9 | Dalwallinu Road Board | 1927-28 |
| Dalwallinu Co-op. Company | - | Dalwallinu | Ford 18.8 H.P. | DL ● 12 | Dalwallinu Road Board | 1922-23 |
| Dalwallinu Co-op. Company | - | Dalwallinu | Ford 18-8 H.P. | DL ● 12 | Dalwallinu Road Board | 1923-24 |
| Dalwallinu Road Board | - | Dalwallinu | Ford | DL ● 26 | Dalwallinu Road Board | 1924-25 |
| Dalwallinu Road Board | - | Dalwallinu | Ford | DL ● 26 | Dalwallinu Road Board | 1925-26 |
| Dalwallinu Road Board | - | Dalwallinu | Ford | DL ● 26 | Dalwallinu Road Board | 1926-27 |
| Dalwallinu Road Board | - | Dalwallinu | Ford | DL ● 26 | Dalwallinu Road Board | 1927-28 |
| Dalwood | Ada | 84 Brewer Street | Hupmobile 16 H.P. | P 392 | Perth Municipality | 1915 |
| Dalwood | Henry | 84 Brewer Street | Lancia 12 H.P. | P 392 | Perth Municipality | 1917-18 |
