| Meek | W. E. | 8 Beaufort Street, Perth | Ford Wagon | 10052 | Metro Hire or Trade | 1926-27 |
| Meekatharra Board | - | - | Overland | WU ● 19 | Wiluna Road Board | 1926-27 |
| Meekatharra Board | - | - | Overland | WU ● 19 | Wiluna Road Board | 1927-28 |
| Meekatharra Road Board | - | Meekatharra | Ford Truck | MK ● 1 | Meekatharra Road Board | 1924-25 |
| Meekatharra Road Board | - | Meekatharra | Chevrolet Truck | MK ● 26 | Meekatharra Road Board | 1927-28 |
| Meekatharra Road Board | - | Meekatharra | Chevrolet Truck | MK ● 28 | Meekatharra Road Board | 1927-28 |
| Meekatharra Road Board | - | Meekatharra | Fordson Tractor | MK ● 39 | Meekatharra Road Board | 1927-28 |
| Meeking | L. R. | Kondinin | Ford Truck | KN ● 143 | Kondinin Road Board | 1927-28 |
| Meeres | J. | - | Ford | CU ● 36 | Upper Chapman Road Board | 1924-25 |
| Meeres | J. | - | Ford | CU ● 36 | Upper Chapman Road Board | 1925-26 |
| Meeres | J. | - | Ford | CU ● 36 | Upper Chapman Road Board | 1926-27 |
| Meeres | J. | - | Ford | CU ● 36 | Upper Chapman Road Board | 1927-28 |
| Meethan | J. P. | Austin Downs Street via Cue | Hupmobile | CD ● 6 | Cue-Day Dawn Road Board | 1923-24 |
| Meginess | M. | - | Gray | CU ● 13 | Upper Chapman Road Board | 1924-25 |
| Meginess | M. | - | Gray | CU ● 13 | Upper Chapman Road Board | 1925-26 |
| Meginess | M. | - | Gray | CU ● 13 | Upper Chapman Road Board | 1926-27 |
| Meginess | M. | - | Gray | CU ● 13 | Upper Chapman Road Board | 1927-28 |
| Meharry | Geo. | - | Singer 4½ H.P. Motorcycle | NE 14 | Nelson Road Board | 1916 |
| Meidrum | T. | Armadale | Graham Bus | 3627 | Metro Hire or Trade | 1925-26 |
| Meidrum | T. | Kelmscott | Dodge | 3628 | Metro Hire or Trade | 1925-26 |
| Meiers | John | 32 Queen Street. Fremantle | Buick | 11855 | Metro Private Car | 1927-28 |
| Meiklejohn | J. | Osborne Park Cottesloe | Talbot | 2492 | Metro Private Car | 1922-23 |
| Meiklejohn | J. | Kojonup | Oakland | KO ● 64 | Kojonup Road Board | 1924-25 |
| Meiklejohn | W. W. | Kojonup | Chevrolet | KO ● 28 | Kojonup Road Board | 1925-26 |
| Meiklejohn | W. W. | Muradup | Chevrolet | KO ● 28 | Kojonup Road Board | 1926-27 |
| Meilklejohn | W. W. | Kojonup | Chevrolet | KO ● 28 | Kojonup Road Board | 1927-28 |
| Meinch | C. | Greenhills | Chevrolet | Y ● 112 | York Road Board | 1926-27 |
| Meinch | C. | Greenhills | Dodge | Y ● 112 | York Road Board | 1927-28 |
| Meirose | R. A. | 74 Richmond Street, Leederville | Rugby | 6340 | Metro Private Car | 1926-27 |
| Meirs | J. | Mundijong | Ford | SJ ● 3 | Serpentine-Jarrahdale Road Board | 1925-26 |
| Meirs | J. G. | William Street Garage, Fremantle | Ford | 12207 | Metro Private Car | 1926-27 |
| Meka Station | - | Yalgoo | Ford | YA ● 53 | Yalgoo Road Board | 1925-26 |
| Meka Station | - | Yalgoo | Ford | YA ● 53 | Yalgoo Road Board | 1926-27 |
| Meka Station | - | Meka, via Yalgoo | Buick | YA ● 12 | Yalgoo Road Board | 1927-28 |
| Meka Station | - | Meka, via Yalgoo | Ford | YA ● 25 | Yalgoo Road Board | 1927-28 |
| Meka Station, | - | Yalgoo | Ford | YA ● 53 | Yalgoo Road Board | 1927-28 |
| Mekau | H. C. | Northam | Reo Truck | N ● 135 | Northam Road Board | 1925-26 |
| MeKey | N. | Goomalling | Ford | GO ● 22 | Goomalling Road Board | 1922-23 |
| Melangatta Station, Co | - | Yalgoo | Oakland | YA ● 50 | Yalgoo Road Board | 1927-28 |
| Melangatta Station, Co | - | Welangatta | Ford Utility | YA ● 103 | Yalgoo Road Board | 1927-28 |
| Melbye | James | Esplanade Hotel, Perth | Clyno | 585 | Metro Private Car | 1927-28 |
| Melcalf | T. L. | Ejanding | Dodge | D ● 48 | Dowerin Road Board | 1923-24 |
| Meldrum | A. | Mount Baker | Overland | PL ● 32 | Plantagenet Road Board | 1924-25 |
| Meldrum | A. | Mount Barker | Overland | PL ● 32 | Plantagenet Road Board | 1925-26 |
| Meldrum | A. | Albany | Chrysler | A 37 | Albany Municipality | 1927-28 |
| Meldrum | Alex. | Mount Barker | Overland | PL ● 32 | Plantagenet Road Board | 1924-25 |
| Meldrum | J. (Junior) | Ejanding | Maxwell | D ● 71 | Dowerin Road Board | 1926-27 |
| Meldrum | J. (Junior) | Ejanding | Maxwell | D ● 71 | Dowerin Road Board | 1927-28 |
| Meldrum | J. A. | Katanning | Ford | KA ● 282 | Katanning Road Board | 1927-28 |
| Meldrum | J. D. | 141 Onslow Road, West Subiaco | Dodge | 3435 | Metropolitan Hire and Trade Cars | 1923-24 |
