Adelheid of Vohburg was a noblewoman from the 11th century, known for her connections to the House of Vohburg. She was the daughter of Count Otto of Vohburg and played a significant role in the political landscape of her time through her marriage alliances. Her marriage to Count Berthold of Zähringen helped strengthen ties between noble families in the region. Adelheid's lineage contributed to the power dynamics in Bavaria and Swabia, influencing the development of these areas during the medieval period.