The following flags represent Austria-Hungary or one of its predecessors, suceesors or similar alternate entities. These flags can be used as is or as inspiration.
Historical flags
Flag of the Habsburg Monarchy (including Austrian and Austro-Hungarian Empire), also used to represent Cisleithania
.svg "Civil ensign of Austria-Hungary (1869-1918).svg (1.49 MB)")
Civil ensign of Austria-Hungary (1869-1918)
Merchant Ensign, 1869-1918
.svg "War flag of Austria-Hungary (1880-1915).svg (16 KB)")
War Flag of Austria-Hungary (1880-1915)
.svg "Naval Ensign of Austria-Hungary (1918).svg (27 KB)")
Naval Ensign, 1915-1918
.svg "Imperial Standard of Austria-Hungary (1915-1918).svg (2.22 MB)")
Imperial Standard, 1915-1918
.svg "War flag of Austria-Hungary (1918).svg (1.58 MB)")
War flag of Austria-Hungary (1918)
.svg "Imperial Standard of Austria (1828-Late 19th Century).svg (3.15 MB)")
Imperial Standard, 1828 - late 19th century
.svg "Imperial Standard of Austria-Hungary (Before 1915).svg (7.33 MB)")
Imperial Standard, Late 19th century - 1915
- Fictional and ATL flags
.jpg "Flag of Austria (1804-1867).jpg (85 KB)")
.png "Austria-Hungary flag (SM 3rd Power).png (26 KB)")
.png "Flag of Austria-Hungary (Alternative 2014).png (6 KB)")
.webp "Flag of Austria-Hungary-Slovenia (Milkdromeda).webp (66 KB)")