| Kersley | G. | Nippering | Studebaker | DU ● 19 | Dumbleyung Road Board | 1925-26 |
| Kersley | G. | Wagin | Studebaker | W ● 18 | Wagin Road Board | 1927-28 |
| Kersten | H. | Roelands | Chevrolet | H ● 241 | Harvey Road Board | 1927-28 |
| Kersunski | George | 197 Lake Street, Perth | Chrysler | 731 | Metro Private Car | 1927-28 |
| Kerunski | G. | 197 Lake Street, Perth | Overland | 8703 | Metro Private Car | 1925-26 |
| Kerwan | N. | 156 Railway Road, Subiaco | Overland | 13252 | Metro Private Car | 1926-27 |
| Kessell | S. | 1092 Hay Street, Perth | Ford | 5249 | Metro Private Car | 1925-26 |
| Kessell | S. | Cunderdin | Ford Truck | ME ● 220 | Meckering Road Board | 1927-28 |
| Kessell | S. L. | 58 Victoria Avenue, Claremont | Dodge | 436 | Metro Private Car | 1926-27 |
| Kessell | S. L. | 58 Victoria Avenue, Claremont | Dodge | 436 | Metro Private Car | 1927-28 |
| Kessell | Stephen | 1090 Hay Street, Perth | Ford | 2768 | Metro Private Car | 1923-24 |
| Kesssell | S. | 1092 Hay Street, Perth | Ford | 5249 | Metro Private Car | 1924-25 |
| Kestel | W. J. | 198 Goderich Street, Perth | Chrysler | 14276 | Metro Private Car | 1927-28 |
| Kett | A. E. | Pingrup | Rugby Truck | KT ● 82 | Kent Road Board | 1927-28 |
| Ketteringham | W. | Narembeen | Ford Wagon | NB ● 151 | Narembeen Road Board | 1927-28 |
| Kevill | G. V. | Quairading | Ford Truck | Q ● 138 | Quairading Road Board | 1927-28 |
| Kevsley | G. | - | Studebaker | W ● 18 | Wagin Road Board | 1926-27 |
| Kewney | A. V. | - | Douglas 2¾ H.P. Motorcycle | KMC 38 | Kalgoorlie Municipality | 1915 |
| Kewney | A. V. | Maritana Street | Dougles 3 ½ H.P. | KMC 38 | Kalgoorlie Municipality | 1916 |
| Kewney | H. V. | Collins Street | Indian 7½ H.P. | KMC 55 | Kalgoorlie Municipality | 1919 |
| Kewrrinigal | C. | Williams | Chevrolet | WL ● 2 | Williams Road Board | 1926-27 |
| Kewshaw | Hilda | Brookton | Overland | BO ● 29 | Brookton Road Board | 1925-26 |
| Kewshaw | Hilda | Brookton | Fiat | BO ● 29 | Brookton Road Board | 1926-27 |
| Keys | D. | Mundijong | Ford Truck | SJ ● 27 | Serpentine-Jarrahdale Road Board | 1925-26 |
| Keys | D. | Mundijong | Ford Truck | SJ ● 27 | Serpentine-Jarrahdale Road Board | 1926-27 |
| Keys | D. | Mundijong | Rugby | SJ ● 29 | Serpentine-Jarrahdale Road Board | 1926-27 |
| Keys | D. | Mundijong | Ford T ruck | SJ ● 27 | Serpentine-Jarrahdale Road Board | 1927-28 |
| Keys | D. | Mundijong | Rugby | SJ ● 29 | Serpentine-Jarrahdale Road Board | 1927-28 |
| Keys | E. J. | - | Vulcan | D ● 140 | Dowerin Road Board | 1926-27 |
| Keys | F. | Kings Park Road, Perth | Chrysler | 9426 | Metro Private Car | 1926-27 |
| Keys | F. | Kings Park Road, Perth | Chrysler | 9426 | Metro Private Car | 1927-28 |
| Keys | Mrs | Mundijong | Rugby | SJ ● 29 | Serpentine-Jarrahdale Road Board | 1925-26 |
| Keyser | C. | Railway Street, Queens Park | Republic | 3560 | Metro Private Car | 1924-25 |
| Keyser | T. | Broome | F.W.D Wagon | BM ● 55 | Broome Road Board | 1925-26 |
| Keyser | T. | Broome | Overland Truck | BM ● 39 | Broome Road Board | 1926-27 |
| Keyser | T. | Broome | Overland Truck | BM ● 39 | Broome Road Board | 1927-28 |
| Keyser & Wittern | - | Bolgart | Graham Truck | VP ● 83 | Victoria Plains Road Board | 1927-28 |
| Keyte | R. E. | - | Ford | NR ● 36 | Northampton Road Board | 1926-27 |
| Keyte Bros | - | - | Chevrolet | NR ● 117 | Northampton Road Board | 1926-27 |
| Kibben | M. | Beverley | Fiat Truck | BE ● 192 | Beverley Road Board | 1927-28 |
| Kichin | C. | Dalwallinu | Ford | DL ● 50 | Dalwallinu Road Board | 1924-25 |
| Kichin | Chas. | Dalwallinu | Ford | DL ● 50 | Dalwallinu Road Board | 1923-24 |
| Kick | B. B. | Perenjori | Ford | PM ● 4 | Perenjori-Morawa Road Board | 1922-23 |
| Kidd | A. | Carnarvon | Overland Truck | CN 5 | Carnarvon Municipal Council | 1923 - 1924 |
| Kidd | A. | Carnarvon | Overland Truck | CN 5 | Carnarvon Municipal Council | 1924-25 |
| Kidd | A. | Carnarvon | Overland Truck | CN 5 | Carnarvon Municipal Council | 1925-26 |
| Kidd | A. | Carnarvon | Overland Truck | CN 5 | Carnarvon Municipal Council | 1926-27 |
| Kidd | J. E. | Via Yalgoo | Indian 7 H.P. | YA 1 | Yalgoo Road Board | 1916 |
| Kidd | J. E. | Murayarra Station | Triumph 4 H.P. | YA 2 | Yalgoo Road Board | 1916 |
| Kidd | J. E. | Muralgarra | Dodge | YA ● 39 | Yalgoo Road Board | 1922-23 |