| Nairn | Walter M. | 12 Hill View Road, Mount Lawley | Dodge | 410 | Metro Private Car | 1922-23 |
| Nairn | Wm B. | Byford | Overland-Crossley Truck | A-K ● 6 | Armadale-Kelmscott Road Board | 1925-26 |
| Nairn | Wm. | 12 Hillview Road, Mount Lawley | Dodge | 410 | Metro Private Car | 1925-26 |
| Nairn | Wm. | 12 Hillview Road, Mount Lawley | Dodge | 410 | Metro Private Car | 1926-27 |
| Nairn | Wm. B. | Byford | Overland-Crossley Truck | A-K ● 6 | Armadale-Kelmscott Road Board | 1926-27 |
| Nairn | Wm. P. | Byford | Overland-Crossley Truck | A-K ● 6 | Armadale-Kelmscott Road Board | 1927-28 |
| Naiss | C. | Wooroloo | Hupmobile | GE ● 53 | Greenmount Road Board | 1925-26 |
| Nalder | A. J. | East Wagin | Studebaker | W ● 15 | Wagin Road Board | 1925-26 |
| Nalder | A. J. | East Wagin | Studebaker | W ● 15 | Wagin Road Board | 1926-27 |
| Nalder | A. J. | East Wagin | Studebaker | W ● 15 | Wagin Road Board | 1927-28 |
| Nalder | Albert J. | Wagin | Ford 20 H.P. | W ● 15 | Wagin Road Board | 1922-23 |
| Nalder | Albert J. | Wagin | Durant | W ● 15 | Wagin Road Board | 1923-24 |
| Nalder | Albert. J | Wagin | Studebaker | W ● 15 | Wagin Road Board | 1924-25 |
| Nalder | Geo. A. | Wagin | Durant | W ● 35 | Wagin Road Board | 1923-24 |
| Nalder | George Alfred | Wagin | Ford 20 H.P. | W ● 35 | Wagin Road Board | 1922-23 |
| Nalder Bros | - | Wagin | Durant | W ● 35 | Wagin Road Board | 1924-25 |
| Nalder Bros | - | East Wagin | Durant | W ● 35 | Wagin Road Board | 1925-26 |
| Nalder Bros | - | East Wagin | Studebaker | W ● 35 | Wagin Road Board | 1926-27 |
| Nalder Bros | - | East Wagin | Studebaker | W ● 35 | Wagin Road Board | 1927-28 |
| Nalder Bros | - | Wagin | Dodge | W ● 80 | Wagin Road Board | 1927-28 |
| Nall | Louis | Katanning | Overland | KA ● 223 | Katanning Road Board | 1927-28 |
| Nallan | M. | 70 Norfolk Street, North Perth | Morris Cowley | 14982 | Metro Private Car | 1927-28 |
| Nally | J. | Kellerberrin | Whippet | KE ● 370 | Kellerberrin Road Board | 1927-28 |
| Namon | Cass. | Meekatharra | B.S.A. Motorcycle | MK ● 8 | Meekatharra Road Board | 1922-23 |
| Nancarrew | G. | Kellerberrin | Ford | KE ● 103 | Kellerberrin Road Board | 1925-26 |
| Nancarrow | G. | Kellerberrin | Ford | KE ● 103 | Kellerberrin Road Board | 1924-25 |
| Nancarrow | G. | Kellerberrin | Ford | KE ● 137 | Kellerberrin Road Board | 1926-27 |
| Nancarrow | G. | Kellerberrin | Ford | KE ● 137 | Kellerberrin Road Board | 1927-28 |
| Nancarrow | J. | Coolup | Ford | MY ● 90 | Murray Road Board | 1924-25 |
| Nancarrow | J. | Coolup | Ford | MY ● 90 | Murray Road Board | 1925-26 |
| Nancarrow | J. | Coolup | Ford | MY ● 90 | Murray Road Board | 1926-27 |
| Nancarrow | J. | Coolup | Ford | MY ● 90 | Murray Road Board | 1927-28 |
| Nancarrow | R. | 218 Charles Street, Perth | Chalmers | 3455 | Metro Private Car | 1924-25 |
| Nancarrow | R. | 218 Charles Street, Perth | Chalmers | 3455 | Metro Hire or Trade | 1925-26 |
| Nancarrow | Reg. | 218 Charles Street, Perth | Chalmers | 3455 | Metropolitan Hire and Trade Cars | 1923-24 |
| Nancarrow | W. F. | 161 Chelmsford Road, Perth | Chalmers | 3455 | Metro Hire or Trade | 1926-27 |
| Nancarrow | W. T. | Manjimup | Ford | WA ● 253 | Manjimup Road Board | 1927-28 |
| Nancarrow & Nope | - | Kellerberrin | Ford Truck | KE ● 271 | Kellerberrin Road Board | 1927-28 |
| Nanke | J. C. H. | Steere Street, Collie | Buick | CM 14 | Collie Municipality | 1925-26 |
| Nankerville | G. W. | 99 Forrest Street, Cottesloe | Buick | 10545 | Metro Hire or Trade | 1927-28 |
| Nankervis | Norman | Tattersalls Hotel, Boulder | Red Indian Motorcycle | B 11 | Boulder Municipality | 1922-23 |
| Nankevell | J. P. | Swanbourne Terrace, Cottesloe | Hupmobile 20 H.P. | P 1237 | Perth Municipality | 1919 |
| Nankeville | W. J. | Bunbury | Buick 18 H.P. | By 33 | Bunbury Municipality | 1916 |
| Nankivell | B. | Kelmscott | Chevrolet | 13043 | Metro Private Car | 1926-27 |
| Nankivell | C. W. | 331 Marmion Street, Cottesloe | Hudson | 3130 | Metro Private Car | 1924-25 |
| Nankivell | C. W. | 331 Marmion Street, Cottesloe | Hudson | 3130 | Metro Hire or Trade | 1925-26 |
| Nankivell | G. W. | cr. John & Broome Streets, Cottesloe | Overland | 3130 | Metropolitan Hire and Trade Cars | 1923-24 |
| Nankivell | J. | Cottesloe | Studebaker 18 H.P. | Ce 2 | Municipality of Cottesloe | 1917-18 |
| Nankivell | J. | Cottesloe | Studebaker 18 H.P. | Ce 2 | Municipality of Cottesloe | 1919 |
| Nankivell | J. P. | John Street, Cottesloe | Hudson | 3060 | Metropolitan Hire and Trade Cars | 1923-24 |
