Regintrud, also known as Reginlind and Regentrud, (born 660–665, died 730–740) probably was the wife of Duke Theudebert of Bavaria or of his father Duke Theodo of Bavaria. A possibly identical Regintrud became abbess of Nonnberg Abbey in 720–725. However, details about her ancestry and life are widely disputed among historians.
According to differing views, Regintrud was either a daughter of King Dagobert I, or of Pfalzgraf Hugobert and Irmina of Oeren, or of Childebert III.
Assuming she was married with Theudebert of Bavaria, her children from this marriage were:
Historians researched inconclusive evidence about further children, such as a daughter named Pilitrud from a previous marriage with an unknown husband. Tassilo II and Swanachild are also suggested as children from her marriage with Theudebert.