The Danube is the second longest river in Europe.

Danube may also refer to:

• Danube Banovina, a banovina or province of the Kingdom of Yugoslavia (1929–1945)
• Danube Canyon, a large submarine canyon in the Black Sea
• Danube, Minnesota, a city
• Danube, New York, a town
• Danube Planum, a rifted mesa on Jupiter's moon Io
• Danube Sinkhole, Upper Danube Nature Park, Baden-Württemberg, Germany
• Danube Vilayet, a vilayet or province of the Ottoman Empire from 1864 to 1878

• Danube class motorship, a class of Russian river passenger ships
• Danube (ship), a Nourse Line sailing ship of the late 19th century
• HMS Danube, a wooden paddle vessel, and a cancelled gunboat

• Danube (geology), a timespan in the glacial history of the Alps
• Battle of the Danube, part of the Russo-Turkish War
• Danube, the codename of the Warsaw Pact invasion of Czechoslovakia in August 1968
• Danube Bridge, a bridge across the Danube River linking the Bulgarian city of Ruse and the Romanian city of Giurgiu
• Danube Bridge 2, a road and rail bridge between the cities of Calafat, Romania and Vidin, Bulgaria
• Danube class starship, a fictional starship class in the Star Trek universe
• Danube Company, a supermarket and hypermarket chain in Saudi Arabia
• Danube (Dubai Metro), a station on the Dubai Metro, UAE
• Danube (Paris Métro), a station on the Paris Métro, France
• Danube platform, an AMD mobile platform for portable computers
• Danube Promenade, Budapest, Hungary
• Danube (restaurant), in New York

• Danube Army, a unit of the Russian Empire created shortly before Napoleon's invasion of Russia
• Danube Legion, a unit of Poles in the service of Napoleonic France
• Donauinsel or Danube Island, Vienna, Austria
• Donaukanal or Danube Canal, Vienna, Austria
• Donauradweg or Danube Cycle Trail, a bicycle trail along the Danube River in many countries
• All pages with titles containing Danube
• Donau (disambiguation)