O14 (disambiguation)
O14 stands for:
- O14, ICD- 10 code for a gestational with significant proteinuria during pregnancy
- O14, a model railway standard
- O14, a former trolley bus in East Berlin, see trolleybus Berlin ( 1951-1973 )
- O 14, a Dutch submarine O 12 class, which were built in the years 1928-1931
- Disambiguation
- Abbreviation