Agnes of Waiblingen, also known as Agnes of Germany, Agnes of Franconia and Agnes of Saarbrücken, was a member of the Salian imperial family. Through her first marriage, she was Duchess of Swabia; through her second marriage, she was Margravine of Austria.

The Salian dynasty or Salic dynasty was a dynasty in the High Middle Ages. The dynasty provided four kings of Germany (1024–1125), all of whom went on to be crowned Holy Roman emperors (1027–1125).