| Dunn | W. J. | 120 Murray Street, Perth | Overland | 4855 | Metro Private Car | 1924-25 |
| Dunn | W. J. | 120 Murray Street, Perth | Overland | 4855 | Metro Private Car | 1925-26 |
| Dunn | W. J. | 120 Murray Street, Perth | Overland | 4855 | Metro Private Car | 1926-27 |
| Dunn | W. J. | 120 Murray Street, Perth | Whippet | 4855 | Metro Private Car | 1927-28 |
| Dunn & Hunter | - | Cranbrook | Gray Truck | CB ● 4 | Cranbrook Road Board | 1926-27 |
| Dunn Bros | - | Chapman Road, Geraldton | Buick | GN 12 | Geraldton Municipality | 1925-26 |
| Dunn Bros | - | Chapman Road, Geraldton | Buick | GN 12 | Geraldton Municipality | 1926-27 |
| Dunn Bros | - | Geraldton | Chevrolet Truck | GN 193 | Geraldton Municipality | 1927-28 |
| Dunn Bros | - | Chapman Road, Geraldton | Buick | GN 12 | Geraldton Municipality | 1927-28 |
| Dunne | A. J. W. | 17 Finlayson Street | Motorcycle | S 124 | Subiaco Municipality | 1917-18 |
| Dunne | A. J. W. | 17 Finlayson Street | - | S 124 | Subiaco Municipality | 1919 |
| Dunne | J. | Hannan Street, Kalgoorlie | Chrysler | KMC 276 | Kalgoorlie Municipal Council | 1927-28 |
| Dunne | J. P. | 14 River Front, East Perth | Rudge-Multi 3½ H.P. Motorcycle | P 914 | Perth Municipality | 1919 |
| Dunne | M. | 125 Broadway, Nedlands | Chevrolet Truck | 12748 | Metro Private Car | 1927-28 |
| Dunne | R. | 19 Park Street, Subiaco | Overland Van | 5960 | Metro Private Car | 1924-25 |
| Dunne | R. | 19 Park Street, Subiaco | Overland | 5960 | Metro Private Car | 1925-26 |
| Dunne | Rupert A. | 26 St.Leonard's Avenue, West Leederville | Chevrolet | 1422 | Metro Private Car | 1927-28 |
| Dunne | T. | Wyalkatchem | Chevrolet | WM ● 67 | Wyalkatchem Road Board | 1926-27 |
| Dunne | T. | Wyalkatchem | Chevrolet | WM ● 67 | Wyalkatchem Road Board | 1927-28 |
| Dunne | W. E. | Wyalkatchem | - | WM ● 67 | Wyalkatchem Road Board | 1923-24 |
| Dunne | W. E. | Wyalkatchem | Chevrolet | WM ● 67 | Wyalkatchem Road Board | 1924-25 |
| Dunne | W. E. | Wyalkatchem | Ford | WM ● 67 | Wyalkatchem Road Board | 1925-26 |
| Dunnet | D. F. | Nannup | Hupmobile 30 H.P. | BL 4 | Blackwood (Lower) Road Board | 1916 |
| Dunnet | D. F. | Nannup | Hupmobile 30 H.P. | BL ● 4 | Lower Blackwood Road Board | 1917-18 |
| Dunnet | D. F. | Tanjanerup Nannup | Overland | BL ● 4 | Lower Blackwood Road Board | 1922-23 |
| Dunnet | W. G | - | Overland | NU ● 11 | Nullagine Road Board | 1924-25 |
| Dunnet | W. G. | Balfour Downs | Overland | NU ● 12 | Nullagine Road Board | 1925-26 |
| Dunnet | W. G. | - | Overland | NU ● 11 | Nullagine Road Board | 1927-28 |
| Dunnett | D. F. | Tanjanerup | Hupmobile | BL ● 5 | Blackwood (Lower) Road Board | 1923-24 |
| Dunnett | D. F. | Tanjanerup | Hupmobile | BL ● 4 | Lower Blackwood Road Board | 1924-25 |
| Dunnett | D. F. | Tanjanerup | Hupmobile | BL ● 4 | Lower Blackwood Road Board | 1925-26 |
| Dunnett & Dunn | Mrs & Miss | Nannup | Studebaker | BL ● 33 | Nannup Road Board | 1926-27 |
| Dunnett & Dunn | Mrs & Mrs | Nannup | Studebaker | BL ● 33 | Lower Blackwood Road Board | 1925-26 |
| Dunnett Bros & Bleechmore | - | Balfour Downs | Dodge | NU ● 8 | Nullagine Road Board | 1924-25 |
| Dunney | D. F. | Nannup | Hupmobile 30 H.P. | BL ● 4 | Blackwood (Lower) Road Board | 1919 |
| Dunney | J. | - | Ford | BE ● 135 | Beverley Road Board | 1926-27 |
| Dunney | J. | - | Ford | BE ● 135 | Beverley Road Board | 1927-28 |
| Dunnill | Charles | Kondut | Ford Truck | WB ● 247 | Wongan-Ballidu Road Board | 1927-28 |
| Dunning | E. | Greenbushes | Essex | GR ● 12 | Greenbushes Road Board | 1925-26 |
| Dunning | E. | Greenbushes | Essex | GR ● 12 | Greenbushes Road Board | 1926-27 |
| Dunning | E. | Greenbushes | Essex | GR ● 12 | Greenbushes Road Board | 1927-28 |
| Dunning | E. G. | Greenbushes | Essex | GR ● 12 | Greenbushes Road Board | 1924-25 |
| Dunning | Edward | Greenbushes | Chevrolet | GR ● 15 | Greenbushes Road Board | 1923-24 |
| Dunning | F. W. | 144 Parry Street, East Perth | E.M.F. 20 H.P. | P 257 | Perth Municipality | 1916 |
| Dunning | Mark | East Wickepin | Dodge | WK ● 40 | Wickepin Road Board | 1925-26 |
| Dunning | Mark | East Wickepin | Dodge | WK ● 66 | Wickepin Road Board | 1926-27 |
| Dunning | Mark | East Wickepin | Dodge | WK ● 66 | Wickepin Road Board | 1927-28 |
| Dunning | R. | Kununoppin | Overland | KTY ● 54 | Kununoppin-Trayning Road Board | 1924-25 |
| Dunning | R. | Kununoppin | Overland | KTY ● 54 | Kununoppin-Trayning Road Board | 1925-26 |
| Dunning | W. R. | Hamel | Ford Truck | DK ● 9 | Drakesbrook Road Board | 1926-27 |
