| Ley | A. | 16 Park Street, West Perth | Morris-Cowley | 11456 | Metro Private Car | 1927-28 |
| Ley | A. H. | Preston Point Road, East Fremantle | Chevrolet | 7093 | Metro Private Car | 1925-26 |
| Ley | I. | York | Ford | Y ● 124 | York Road Board | 1926-27 |
| Ley | I. | York | Rugby | Y ● 124 | York Road Board | 1927-28 |
| Leyden | F. | Meckering | Ford Truck | ME ● 195 | Meckering Road Board | 1927-28 |
| Leyland | George | Randalls | Ford 15-20 H.P. | K ● 24 | Kalgoorlie Road Board | 1917-18 |
| Leyland | George | Randalls | Ford 20 H.P. | K ● 24 | Kalgoorlie Road Board | 1919 |
| Leyland | J. | Hart Avenue, North Perth | Ford Van | 6051 | Metro Private Car | 1927-28 |
| Leyland | R. | Nungarin | Chevrolet | NA ● 34 | Nungarin Road Board | 1924-25 |
| Leyland | R. | Mukinbudin | Chevrolet | NA ● 34 | Nungarin Road Board | 1924-25 |
| Leyland | R. | Mukinbudin | Chevrolet | NA ● 34 | Nungarin Road Board | 1925-26 |
| Leyland | R. | Venn Street, Collie | Maxwell | CM 194 | Collie Municipality | 1926-27 |
| Leyland | R. | Venn Street, Collie | Maxwell | CM 194 | Collie Municipality | 1927-28 |
| Leyland | R. G. | Mukinbudin | Chevrolet | NA ● 34 | Nungarin Road Board | 1927-28 |
| Leynel | E. | Allanson | Reo Truck | CO ● 123 | Collie Road Board | 1926-27 |
| Liberty | M. E. | 199 Heytesbury Road, Subiaco | Rugby | 8659 | Metro Private Car | 1926-27 |
| Liberty Motor Garage | - | Wellington Street, Perth | Dealers | 20275 | Metro Dealers Car | 1927-28 |
| Lidbury | F. R. | 16 Coode Street, Inglewood | Chevrolet | 11435 | Metro Private Car | 1926-27 |
| Lidbury | F. R. | 16 Coode Street, Inglewood | Chevrolet | 11435 | Metro Private Car | 1927-28 |
| Lidbury | W. T. | 36 Grant Street, Cottesloe | Citroen | 11793 | Metro Private Car | 1926-27 |
| Liddell | A. | Group 22 | Ford Truck | AU ● 20 | Augusta Road Board | 1926-27 |
| Liddell | J. D. | - | Ford | KO ● 135 | Kojonup Road Board | 1926-27 |
| Liddell | J. D. | - | Ford | KO ● 135 | Kojonup Road Board | 1927-28 |
| Liddell | W. | 228 Lord Street, Perth | Ford Wagon | 7905 | Metro Private Car | 1926-27 |
| Liddell | W. F. | 228 Lord Street, Perth | Ford Wagon | 7905 | Metro Private Car | 1925-26 |
| Liddell | Wm. | 228 Lord Street, East Perth | Overland | 1070 | Metro Private Car | 1923-24 |
| Liddell & Thompson | - | Kununoppin | Dodge | KTY ● 45 | Kununoppin-Trayning Road Board | 1925-26 |
| Liddell & Thompson | - | Kununoppin | Dodge | KTY ● 45 | Kununoppin-Trayning Road Board | 1926-27 |
| Liddell & Thompson | - | Bencubbin | Chevrolet Truck | MM ● 129 | Mount Marshall Road Board | 1927-28 |
| Liddell &Thompson | - | Kununoppin | Dodge | KTY ● 45 | Kununoppin-Trayning Road Board | 1927-28 |
| Liddell And Thompson | - | Kununoppin | Dodge | KTY ● 45 | Kununoppin-Trayning Road Board | 1924-25 |
| Liddelow | G. | Goode Poonda | Overland | NU ● 17 | Nullagine Road Board | 1924-25 |
| Liddelow | Jesse | Williams | Oakland | WL ● 34 | Williams Road Board | 1924-25 |
| Liddelow | Jesse | Williams | Oakland | WL ● 34 | Williams Road Board | 1925-26 |
| Liddelow | Jesse | Williams | Oakland | WL ● 34 | Williams Road Board | 1926-27 |
| Liddelow | Jesse | Williams | Oakland | WL ● 34 | Williams Road Board | 1927-28 |
| Liddelow | Julia | 27 Bulwer Street, Perth | Essex | 327 | Metro Private Car | 1922-23 |
| Liddelow | Mrs A. M. | Wongan Hills | Dodge | WB ● 96 | Wongan-Ballidu Road Board | 1927-28 |
| Liddelow | Mrs J. | 27 Bulwer Street, Perth | Essex | 327 | Metro Private Car | 1926-27 |
| Liddelow | Mrs J. | 27 Bulwer Street, Perth | Essex | 327 | Metro Private Car | 1926-27 |
| Liddelow, Goode | - | Poonda | Overland | NU ● 17 | Nullagine Road Board | 1927-28 |
| Liddiccat | Wm. | 112 Hensman Road, Subiaco | Ford | 15840 | Metro Private Car | 1927-28 |
| Liddington | W. | East Cannington | Willys-Knight | 4856 | Metro Private Car | 1927-28 |
| Liddle | A. E. | Wittenoom Street, Collie | Chevrolet | CM 109 | Collie Municipality | 1925-26 |
| Liddle | A. E. | Wittenoom Street, Collie | Chevrolet | CM 109 | Collie Municipality | 1926-27 |
| Liddle | A. E. | Wittenoom Street, Collie | Chevrolet | CM 109 | Collie Municipality | 1927-28 |
| Liddle | F. | Marvel Loch | Ford 20 H.P. | YL ● 4 | Yilgarn Road Board | 1919 |
| Liddle | F. | Marvel Loch | Ford 20 H.P. | YL ● 4 | Yilgarn Road Board | 1922-23 |
| Liddle | F. | Marvel Loch | Ford | YL ● 4 | Yilgarn Road Board | 1923-24 |
| Liddle | F. | Southern Cross | Essex | YL ● 2 | Yilgarn Road Board | 1924-25 |
