| KATAKURA | MOTOR | JAPÓN | CHŪŌ-KU (TOKYO) - TOKYO | 1960 |
| KATALIS | MOTOCICLETA | INDONESIA | JAKARTA - JAKARTA | 2020 |
| KAV | TRICICLO | SUECIA | VÄNERSBORG - VÄSTRA GÖTALAND | 1940 |
| KAYSER | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | DURLACH - BADEN-WÜRTTEMBERG | 1864 |
| KC | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | MAGDEBURG - SACHSEN | 1900 - 1921 |
| KELECOM | MOTOR | BÉLGICA | LIÈGE - LIÈGE | 4900 |
| KELLER (Camorino) | MOTOCICLETA | SUIZA | CAMORINO - TICINO | 1929 |
| KELLER-DAGENHART | TRICICLO | USA | CHICAGO - ILLINOIS | 1893 |
| KELLER-DORIAN - KD (Lyon) | MOTOR | FRANCIA | LYON - RHÔNE | 1908 |
| KELLOW | MOTOCICLETA | AUSTRALIA | - | 1903 |
| KELLY | MOTOCICLETA | REINO UNIDO | BRIGHTON - EAST SUSSEX | 1921 |
| KELSEY (Hartford) | TRICICLO | USA | HARTFORD - CONNECTICUT | 1910 |
| KEMP | MOTOCICLETA | AUSTRALIA | MELBOURNE - VICTORIA | 1957 |
| KEMPISTY | MOTOR | POLONIA | WARSZAWA - WOJEWÓDZTWO MAZOWIECKIE | 1929 |
| KEMPTON | MOTOCICLETA | REINO UNIDO | LONDON - LONDON COUNTY | 1921 |
| KENDAL-SCOTT | MOTOCICLETA | REINO UNIDO | BIRMINGHAM - WARWICKSHIRE | 1919 |
| KENI | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | STEGLITZ - BERLIN | 1921 |
| KENILWORTH | MOTOCICLETA | REINO UNIDO | KENILWORTH - WARWICKSHIRE | 1919 |
| KENT | MOTOR | AUSTRALIA | ADELAIDE - SOUTH AUSTRALIA | 1910 |
| KENTISH WHEEL | MOTOCICLETA | REINO UNIDO | - | 1908 |