Flag Act, Flag Acts, Flags Act may refer to:
Flag Acts, the three laws that define the design of the flag of the United States Flag Act (Philippines), an act of the Philippine Commission that outlawed the display of Katipunan flags Flag Act of 1865, an act of the Confederate Congress that defined the Third Confederate flag Flags Act 1953, an act of the Parliament of Australia which defines the official Flag of Australia
See also Flag Protection Act Flag Protection Act of 2005