Union flag (disambiguation)
The Union Flag is the name of the flag of the United Kingdom, commonly called the Union Jack.
Union flag may also refer to:
- Flag of the African Union
- Flag of the European Union
- Flag of the Kalmar Union
- Flag of the Soviet Union
- Grand Union Flag, the first national flag of the United States of America
- Flag of the United States during the American Civil War (1861-65)
- Union badge of Norway and Sweden