Adelheid is the modern German form of the Old High German female given name Adalheidis, meaning "nobility" and may refer to the following people:
Eupraxia of Kiev (1071–1109), regnal name Adelheid
Adelheid of Vohburg (1122–1190), first Queen consort of Frederick I, Holy Roman Emperor
Adelheid of Wolfratshausen (died 1126), second wife of Berengar II, Count of Sulzbach
Adelheid (abbess of Müstair) (fl. 1211–1233); Swiss Benedictine abbess
Princess Adelheid of Hohenlohe-Langenburg (1835–1900), niece of Queen Victoria of the United Kingdom
Adelheid Maria Eichner (1762–1787), German composer
Adelheid von Gallitzin (1748–1806), Russian princess from Prussia
Adelheid Popp (1869–1939), Austrian journalist and politician
Archduchess Adelheid of Austria (1914–1971), member of the Austrian Imperial Family
Adelheid Seeck (1912–1973), German film actress
Adelheid Arndt (born 1952), German actress
Adelheid Schulz (born 1955), German terrorist
Adelheid Morath (born 1984), German cross-country mountain biker
