Swanhilde of Ungarnmark (Swanhilde von der Ungarnmark; died 1120) was an Austrian royal consort as Margravine of Austria.
She was a daughter of Sighard VII of Ungarnmark and his wife, Philihild.
In 1072, she married Ernest, Margrave of Austria; becoming his second wife. They had no children together.
Swanhilde died in 1120.