- a German princely family, prominent since the 13th century, that has furnished sovereigns to the Holy Roman Empire, Austria, Spain, etc.
- a German princely family founded by Albert, count of Hapsburg (1153). From 1440 to 1806, the Hapsburgs wore the imperial crown of the Holy Roman Empire almost uninterruptedly. They also provided rulers for Austria, Spain, Hungary, Bohemia, etc. The line continued as the royal house of Hapsburg-Lorraine, ruling in Austria (1806–48) and Austria-Hungary (1848–1918)
