| Keirnan | J. | Walcott Street, Perth | Republic Wagon | 10743 | Metro Hire or Trade | 1927-28 |
| Keisey | C G. | 40 Hamersley Road, Subiaco | Studebaker | 8956 | Metro Private Car | 1926-27 |
| Keisey | C. G. | Fairlight Street, Cottesloe Beach | Ford | 1602 | Metro Private Car | 1923-24 |
| Keisey | C. G. | 40 Hamersley Road, Subiaco | Studebaker | 8956 | Metro Private Car | 1927-28 |
| Keisey | G. J. | Rockingham Road, Coogee | Chevrolet | 8924 | Metro Private Car | 1926-27 |
| Keisey | K. G. | Fairlight Street, Cottesloe Beach | Ford | 1602 | Metro Private Car | 1922-23 |
| Keist & Rogers | - | Claremont Avenue, Claremont | Ford | 2392 | Metro Private Car | 1922-23 |
| Keital | C. | - | Ford Van | NA ● 89 | Nungarin Road Board | 1924-25 |
| Keitel | C. | Nungarin | Ford Truck | NA ● 121 | Nungarin Road Board | 1927-28 |
| Keitel | C. | Nungarin | Ford Truck | NA ● 122 | Nungarin Road Board | 1927-28 |
| Keitel | C. C. | Nungarin | Ford Truck | NA ● 107 | Nungarin Road Board | 1927-28 |
| Kell | Harold Arthur | Bay Road | Triumph | NF 327 | North Fremantle Municipality | 1919 |
| Kell | L. S. | Mooliabeenee | Ford | CH ● 8 | Chittering Road Board | 1927-28 |
| Kell | L. W. | Bunbury | Chevrolet | BY 23 | Bunbury Municipality | 1927-28 |
| Kell Bros | - | Coondle | Chevrolet | T ● 32 | Toodyay Road Board | 1926-27 |
| Kell Bros | - | Coondle | Chevrolet | T ● 32 | Toodyay Road Board | 1927-28 |
| Kelland | Mrs C. M. | Stirling Street, Perth | Overland | 4658 | Metro Private Car | 1923-24 |
| Kellcher | T. F. | Hotham | Ford | MR ● 31 | Marradong Road Board | 1924-25 |
| Kellcher | T. F. | Hotham | Overland | MR ● 31 | Marradong Road Board | 1926-27 |
| Kellecher | T. | Mornington | Overland | H ● 42 | Harvey Road Board | 1922-23 |
| Kelleher | T. | Mornington | Overland | H ● 42 | Harvey Road Board | 1923-24 |
| Kelleher | T. | Mornington | Overland | H ● 42 | Harvey Road Board | 1924-25 |
| Kelleher | T. F. | Hotham | Overland | MR ● 31 | Marradong Road Board | 1925-26 |
| Kelleher Bros | - | Narrogin | Ford 20 H.P. | NGN 1 | Narrogin Municipality | 1917-18 |
| Kelleher Bros. | - | Narrogin | Ford 20 H.P. | NGN 1 | Narrogin Municipality | 1919 |
| Kellerberrin Co-op. | - | Kellerberrin | Chevrolet | KE ● 117 | Kellerberrin Road Board | 1925-26 |
| Kellerberrin Co-op. | - | Kellerberrin | Chevrolet | KE ● 117 | Kellerberrin Road Board | 1926-27 |
| Kellerberrin Farmers Co-op. | - | - | Morris Oxford | KE ● 373 | Kellerberrin Road Board | 1927-28 |
| Kellerberrin Farmers Co-op. Ltd | - | Kellerberrin | Chevrolet | KE ● 117 | Kellerberrin Road Board | 1924-25 |
| Kelley | A. | Broomehill | Ford | BH ● 1 | Broomehill Road Board | 1927-28 |
| Kelley | A. E. | Meckering | Ford | ME ● 1 | Meckering Road Board | 1924-25 |
| Kelley | C. E. | Perth | Dodge | MW ● 29 | Mullewa Road Board | 1924-25 |
| Kelley | Mrs E. | Brunswick | Overland | H ● 27 | Harvey Road Board | 1924-25 |
| Kelley | T. | Meckering | Durant | ME ● 2 | Meckering Road Board | 1924-25 |
| Kelliher | B. | Narrogin | - | NGN 83 | Narrogin Municipality | 1924-25 |
| Kelliher | D. J | Toolibin | Ford | WK ● 104 | Wickepin Road Board | 1926-27 |
| Kelliher | D. J. | Nomans Lake | Ford | WK ● 104 | Wickepin Road Board | 1924-25 |
| Kelliher | D. J. | Toolibin | Ford | WK ● 104 | Wickepin Road Board | 1925-26 |
| Kelliher | D. J. | Toolibin | Ford | WK ● 104 | Wickepin Road Board | 1927-28 |
| Kelliher | Nurse | Narrogin | Ford | NGN 28 | Narrogin Municipality | 1925-26 |
| Kelliher | Nurse | Narrogin | Chevrolet | NGN 83 | Narrogin Municipality | 1925-26 |
| Kelliher | Nurse | Narrogin | Chevrolet | NGN 83 | Narrogin Municipality | 1926-27 |
| Kelliher | W. J. | Normans Lake | Ford | NA ● 26 | Narrogin Road Board | 1924-25 |
| Kelliher | W. J. | Nomans Lake | Ford | NO ● 26 | Narrogin Road Board | 1925-26 |
| Kelliher | W. J. | Normans Lake | Ford | NO ● 26 | Narrogin Road Board | 1926-27 |
| Kelliher Bros | - | Nomans Lake, Narrogin | Ford | NGN 1 | Narrogin Municipality | 1922-23 |
| Kelliher Bros | - | Narrogin | Ford Wagon 20 H.P. | NA ● 11 | Narrogin Road Board | 1922-23 |
| Kelliher Bros. | | | Ford | NGN 1 | Narrogin Municipality | 1923-24 |
| Kelliher Bros. | - | Narrogin | Ford 20 H.P. | NGN 1 | Narrogin Municipality | 1915 |
| Kelliher Bros. | - | Narrogin | Ford 20 H.P. | NGN 20 | Narrogin Municipality | 1915 |
