| Marca | Modelo | País | Localización | Año |
|---|---|---|---|---|
| CYCLOLUX | MOTOR | FRANCIA | PARIS - SEINE | 1950 |
| CYCLON (Antwerpen) | CICLOMOTOR | BÉLGICA | ANTWERPEN - ANTWERPEN | 1958 |
| CYCLON (Berettyóújfalu) | CICLOMOTOR | HUNGRÍA | BERETTYÓÚJFALU - HAJDÚ-BIHAR | 1966 |
| CYCLONE (Bordeaux) | MOTOR | FRANCIA | BORDEAUX - GIRONDE | 1921 |
| CYCLONE (Launceston) | MOTOCICLETA | AUSTRALIA | LAUNCESTON - TASMANIA | 1915 |
| CYCLONE (S) | MOTOCICLETA | SUECIA | - | 1910 |
| CYCLONE (St. Paul) | MOTOCICLETA | USA | ST. PAUL - MINNESOTA | 1913 |
| CYCLOP | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | ELSDORF - NORDRHEIN-WESTFALEN | 1922 |
| CYCLORETTE | CICLOMOTOR | FRANCIA | ORLÉANS - LOIRET | 1952 |
| CYCLOTRACTEUR | MOTOR | FRANCIA | LEVALLOIS-PERRET - SEINE | 1913 |
| CYCMO | CICLOMOTOR | FRANCIA | PONT d´AIN - AIN | 1982 |
| CYDES CAR | TRICICLO | JAPÓN | SETAGAYA (TOKYO) - TOKYO | 1981 |
| CYGNET | MOTOCICLETA | REINO UNIDO | - | 1923 |
| CYGNET REAR CAR | SIDECAR | USA | BUFFALO - NEW YORK | 1911 |
| CYKELAID | MOTOR | REINO UNIDO | YORK - YORKSHIRE | 1919 |
| CYKLON - CYCLONETTE | TRICICLO | ALEMANIA IMPERIAL | CHARLOTTENBURG - BRANDENBURG | 1901-1922 |
| CYMOTA | MOTOR AUXILIAR | REINO UNIDO | BIRMINGHAM - WARWICKSHIRE | 1950 |
| CYNOSPHERE | TRICICLO | FRANCIA | PARIS - SEINE | 1875 |
| CYRIL HUZE | MOTOCICLETA | USA | BOCA RATON - FLORIDA | 1990 |
| CYRUS (Venlo) | CICLOMOTOR | PAISES BAJOS | VENLO - LIMBURG (NL) | 1931 |