| POTTHOFF | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | BRESLAU - NIEDERSCHLESIEN | 1924 |
| POUNCY | MOTOCICLETA | REINO UNIDO | WAREHAM - DORCHESTER - DORSET | 1931 |
| POWELL (Compton) | ESCÚTER | USA | COMPTON - CALIFORNIA | 1939 |
| POWELL (Wrexham) | MOTOCICLETA | REINO UNIDO | WREXHAM - CLWYD | 1920 |
| POWER (København) | CICLOMOTOR | DINAMARCA | KØBENHAVN - KØBENHAVN | 1953 |
| POWER PAK | MOTOR | REINO UNIDO | LONDON - COVENTRY - LONDON - WARWICKSHIRE | 1950 |
| POWERDRIVE | TRICAR | REINO UNIDO | WOODGREEN (New Forest) - MIDDLESEX | 1956 |
| POWERFUL | BICIMOTOR | REINO UNIDO | COVENTRY - WARWICKSHIRE | 1903 |
| POWERWHEEL | MOTOR | REINO UNIDO | LETCHWORTH - HERTFORDSHIRE | 1951 |
| PPT | MOTOR | REINO UNIDO | - | 1985 |
| PRAGA (Kbely) | MOTOCICLETA | I.AUSTRO-HÚNGARO | KBELY - PRAHA | 1907-1929 |
| PRÄNAFA | ESCÚTER | ALEMANIA | GRÄFRATH-SOLINGEN - NORDRHEIN-WESTFALEN | 1950 |
| PRECISION (Kings Norton) | MOTOR | REINO UNIDO | TAMWORTH - KINGS NORTON - STAFFORDSHIRE - WORCESTERSHIRE | 1910 |
| PRECISION (Northampton) | MOTOCICLETA | REINO UNIDO | NORTHAMPTON - NORTHAMPTONSHIRE | 1902 |
| PREFER-LECOMTE | VELOMOTOR | FRANCIA | PARIS - SEINE | 1950,s |
| PREMETA | MOTOCICLETA | ESPAÑA | ERANDIO - BIZKAIA | 1942 - 1952 |
| PREMIER (Cheb) | MOTOCICLETA | I.AUSTRO-HÚNGARO | CHEB - KARLOVARSKÝ KRAJ | 1913 |
| PREMIER (Coventry) | MOTOCICLETA | REINO UNIDO | COVENTRY - WARWICKSHIRE | 1902 - 1908 |
| PREMIER (New York) | MOTOCICLETA | USA | NEW YORK - NEW YORK | 1950 |
| PREMIER (Nürnberg) | MOTOCICLETA | ALEMANIA IMPERIAL | NÜRNBERG - BAYERN | 1899 - 1911 |