| SOL INVICTUS | MOTOCICLETA | AUSTRALIA | SYDNEY - NEW SOUTH WALES | 2014 |
| SOLANO | MOTOR | FRANCIA | - | 1953 |
| SOLARWIND | TRICAR | USA | HUNTINGTON BEACH - CALIFORNIA | 1986 |
| SOLERITA | ESCÚTER | ESPAÑA | BARCELONA - BARCELONA | 1947 |
| SOLEX - VELOSOLEX | VELOMOTOR | FRANCIA | COURBEVOIE - SEINE → HAUTS-de-SEINE | 1941 |
| SOLIFER | CICLOMOTOR | FINLANDIA (SF) | HELSINKI - UUSIMAA | 1958 |
| SOLO | CICLOMOTOR | ALEMANIA | SINDELFINGEN - BADEN-WÜRTTEMBERG | 1949 |
| SOLOMOBIL | CYCLECAR | ALEMANIA (REP. WEIMAR) | BERLIN - BERLIN | 1919 |
| SOLTNER | MOTOCICLETA | FRANCIA | PFASTATT - HAUT-RHIN | 1952 |
| SÖLVE | MOTOCICLETA | SUECIA | SÖLVESBORG - BLEKINGE | 1921 |
| SOMINOE | ESCÚTER | JAPÓN | - | 1955 |
| SOMMAIRE | MOTOCICLETA | BÉLGICA | - | 1903 |
| SOMMER | MOTOCICLETA | ALEMANIA | EPPSTEIN - RHEINLAND-PFALZ | 2005 |
| SONCIN | MOTOR | FRANCIA | PARIS - SEINE | 1900 - 1901 |
| SOORAJ SUNBEAMER | MOTOCICLETA | INDIA | - UTTAR PRADESH | 1990 |
| SORELLI | MOTOCICLETA | ITALIA | BRESCIA - BRESCIA | 1924 |
| SORO | SIDECAR | ESPAÑA | BARCELONA - BARCELONA | 1941 |
| SOS | MOTOCICLETA | REINO UNIDO | WORCESTER - WORCESTERSHIRE | 1927 |
| SOUPLEX | MOTOCICLETA | BÉLGICA | ANDERLECHT - BRUSSELS-HOOFDSTEDELIJK GEWEST | 1939 |
| SOUTH HANTS | BICIMOTOR | REINO UNIDO | PORTSMOUTH - HAMPSHIRE | 1903 |