| Kirkwood | W. S. | Corrigin | Essex | CR ● 98 | Corrigin Road Board | 1926-27 |
| Kirkwood | W. S. | Corrigin | Reo Truck | CR ● 126 | Corrigin Road Board | 1926-27 |
| Kirkwood | W. S. | Corrigin | Ford | CR ● 31 | Corrigin Road Board | 1926-27 |
| Kirkwood | W. S. | Corrigin | Essex | CR ● 98 | Corrigin Road Board | 1927-28 |
| Kirkwood | W. S. | Corrigin | Reo Truck | CR ● 126 | Corrigin Road Board | 1927-28 |
| Kirkwood | W. S. | Corrigin | Chrysler | CR ● 198 | Corrigin Road Board | 1927-28 |
| Kirkwood | W. S. | Corrigin | Truck Trailer | CR ● 245 | Corrigin Road Board | 1927-28 |
| Kirnumaun | A. | 200 Lake Street, Perth | Essex | 11337 | Metro Private Car | 1927-28 |
| Kirr | Mrs M. | 25 View Street, North Perth | Chrysler | 14230 | Metro Private Car | 1926-27 |
| Kirsch | S. C. | Thomson's Brook | Ford | PE ● 47 | Preston Road Board | 1925-26 |
| Kirsch | S. C. | Thompsons Brook | Ford | PE ● 47 | Preston Road Board | 1926-27 |
| Kirsch | S. C. | Thomson's Brook | Ford | PE ● 47 | Preston Road Board | 1927-28 |
| Kirton | R. G. | 88 High Street | Overland 25 H.P. | F 33 | Fremantle Municipal Council | 1917-18 |
| Kirton | R. G. | High Street | Ford 20 H.P. | F 33 | Fremantle Municipal Council | 1919 |
| Kirton | R. G. | 32 Saint George's Terrace, Perth | Overland | 1254 | Metro Private Car | 1924-25 |
| Kirton | R. G. | 16 Victoria Avenue, North Fremantle | Chev. Wagon | 12254 | Metro Private Car | 1926-27 |
| Kirton | R. G. | Armadale | Overland | 9625 | Metro Private Car | 1927-28 |
| Kirton | Richard Cervase | 88 High Street | Overland 25 H.P. | F 33 | Fremantle Municipality | 1916 |
| Kirton | Richard Gervase | 88 High Street | Overland 25 H.P. | F 33 | Fremantle Municipality | 1915 |
| Kirwan | L. | 25 Boulder Road, Kalgoorlie | Oldsmobile | KMC 349 | Kalgoorlie Municipal Council | 1927-28 |
| Kirwan | Nicholas | 156 Railway Parade, Subiaco | Overland | 13252 | Metro Private Car | 1927-28 |
| Kirwan | W. | Jarrahdale | Reo Truck | SJ ● 26 | Serpentine-Jarrahdale Road Board | 1925-26 |
| Kirwan | W. | Jarrahdale | Reo Truck | SJ ● 26 | Serpentine-Jarrahdale Road Board | 1926-27 |
| Kirwan | W. | Jarrahdale | Reo Truck | SJ ● 26 | Serpentine-Jarrahdale Road Board | 1927-28 |
| Kirwin | Frank | The Junction, Carnarvon | Ford 15-20 H.P. | UG 9 | Gascoyne (upper) Road Board | 1915 |
| Kissack | R. B. | - | Overland | NR ● 146 | Northampton Road Board | 1926-27 |
| Kissack | R. B. | - | Overland | NR ● 146 | Northampton Road Board | 1927-28 |
| Kissane | C. A. | 43 Grosvenor Road, North Perth | Overland | 1598 | Metro Private Car | 1927-28 |
| Kissane | D. P. | Dumbleyung | Dodge | DU ● 126 | Dumbleyung Road Board | 1925-26 |
| Kissane | D. P. | Dumbleyung | Dodge | DU ● 126 | Dumbleyung Road Board | 1926-27 |
| Kissane | D. P. | Dumbleyung | Dodge | DU ● 166 | Dumbleyung Road Board | 1927-28 |
| Kitchen | B. | 142 Lake Street, Perth | Republic Wagon | 3695 | Metro Hire or Trade | 1925-26 |
| Kitchen | C. | Dalwallinu | Ford | DL ● 50 | Dalwallinu Road Board | 1925-26 |
| Kitchen | C. | Dalwallinu | Ford | DL ● 50 | Dalwallinu Road Board | 1926-27 |
| Kitchen | C. | Dalwallinu | Ford | DL ● 50 | Dalwallinu Road Board | 1927-28 |
| Kitchen | J. & Sons | Napier Street, North Fremantle | Ford | 4003 | Metro Hire or Trade | 1925-26 |
| Kitchen & Son Ltd | - | North Fremantle | Citroen | 5124 | Metro Private Car | 1924-25 |
| Kitchen & Son Ltd | - | North Fremantle | Citroen | 5124 | Metro Private Car | 1925-26 |
| Kitchen & Son Ltd | - | North Fremantle | Citroen | 5124 | Metro Private Car | 1926-27 |
| Kitchen & Sons | - | Ocean Road, North Fremantle | Ford | 5067 | Metro Private Car | 1924-25 |
| Kitchen & Sons | - | Ocean Road, North Fremantle | Ford | 5067 | Metro Private Car | 1925-26 |
| Kitchen & Sons | - | Napier Street, North Fremantle | Ford | 4003 | Metro Private Car | 1926-27 |
| Kitchen & Sons | J. | Napier Street, North Fremantle | Ford | 4003 | Metro Private Car | 1924-25 |
| Kitchen & Sons | J. | Napier Street, North Fremantle | Ford | 4003 | Metro Private Car | 1927-28 |
| Kitching | H. N. | Keronic Garage, Bay Road, Claremont | Dodge | 10353 | Metro Hire or Trade | 1926-27 |
| Kitching | Mrs A. | Karonie Garage, Claremont | Dodge | 10353 | Metro Hire or Trade | 1927-28 |
| Kitching | T. G. | Pinjarra | Dodge 20 H.P. | MY 25 | Murray Road Board | 1919 |
| Kitching | T. G. | Pinjarra | Dodge 23 H.P. | MY ● 25 | Murray Road Board | 1922-23 |
| Kitching | T. G. | Pinjarra | Dodge | MY ● 25 | Murray Road Board | 1923-24 |
| Kitching | T. G. | Pinjarra | Austin | MY ● 25 | Murray Road Board | 1924-25 |
