The Dannebrog is the flag of Denmark.
Dannebrog (until the mid-20th century often spelled Danebrog) also may refer to:
Flags and orders Order of the Dannebrog (), a Royal Danish decoration
Places Dannebrog Island, an island in Greenland Dannebrog Islands, an island group in Antarctica Dannebrog, Nebraska, a village in Nebraska, United States
Ships Danish ironclad Dannebrog, a frigate of the Royal Danish Navy, also known as the HDMS Dannebrog (1850) HDMS Dannebroge (1692) (The name is spelled Dannebrog in some references) HDMY Dannebrog (1879), the first royal Danish side-wheel paddle steam-yacht, named after the flag HDMY Dannebrog (A540), a Danish royal yacht, named after the flag