| ARI | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | THIERGARTEN bei PLAUEN - SACHSEN | 1923 |
| ARIA | MOTOCICLETA | ALEMANIA IMPERIAL | FRANKFURT AM MAIN - HESSEN | 1900 |
| ARIANE | MOTOCICLETA | ESPAÑA | CABRERA DE MAR - BARCELONA | 2004-2011 |
| ARIEL (Footscray) | MOTOCICLETA | AUSTRALIA | FOOTSCRAY - VICTORIA | 1910 |
| ARIEL (Gawler) | MOTOCICLETA | AUSTRALIA | GAWLER - SOUTH AUSTRALIA | 1906 |
| ARIEL ACE | MOTOCICLETA | REINO UNIDO | CREWKERNE - SOMERSET | 2014 |
| ARIETE | MOTOCICLETA | ITALIA | - | 1954 |
| ARION (Elton) | TRICICLO | REINO UNIDO | ELTON - CAMBRIDGESHIRE | 1903 |
| ARION (Melbourne) | MOTOCICLETA | AUSTRALIA | MELBOURNE - VICTORIA | 1912 |
| ARISCO | MOTOCICLETA | ESPAÑA | TERRASSA - BARCELONA | 1962-1977 |
| ARISTO (Leiden) | VELOMOTOR | PAISES BAJOS | LEIDEN - ZUID-HOLLAND | 1953 |
| ARISTOS - STERNA - MENOS | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | BERLIN - BERLIN | 1922 |
| ARIZ | MOTOR AUXILIAR | ITALIA | MILANO - MILANO | 1952 |
| ARLEN NESS | MOTOCICLETA | USA | OAKLAND - DUBLIN (CA) - CALIFORNIA | 1960 - 1991 |
| ARLEY VIDSON | MOTOCICLETA | PAISES BAJOS | GRONINGEN - GRONINGEN | 1949 |
| ARLIGUIE | CICLOMOTOR | FRANCIA | MONTARGIS - LOIRET | 1947 |
| ARM (Sant Adrià) | MOTOCICLETA | ESPAÑA | SANT ADRIÀ DE BESÒS - BARCELONA | 1982 |
| ARMAC | MOTOCICLETA | USA | ST. PAUL - CHICAGO - MINNESOTA - ILLINOIS | 1902 |
| ARMADALE | TRICAR | REINO UNIDO | NORTHWOOD-HILLINGDON - MIDDLESEX | 1905 |
| ARMEC | TRICAR | SUIZA | EMMEM - LUZERN | 1986 -1998 |