OGB (disambiguation)
OGB may refer to:
- Österreichischer Gewerkschaftsbund, a labour union of employees
 - ogb, the ISO 639-3 code for Ogbia language
 - Order of the Golden Bear, an honor society at the University of California, Berkeley
 - Orangeburg Municipal Airport, the IATA code OGB
 - Odisha Gramya Bank, a Regional Rural Bank
 - Old Government Building, Christchurch, a heritage building in Christchurch, New Zealand
 - Old Gold & Black, the student-run newspaper of Wake Forest University