For the Alsatian duke of this name, see Liutfrid
Leutfred, Leutfried, or Leudefredus was the Duke of Alemannia from 570. He was deposed from his ducal office in 587 by the Frankish king Childebert II and replaced by Uncilin.
- Geuenich, Dieter. Geschichte der Alemannen. Verlag Kohlhammer: Stuttgart, 2004. ISBN 3-17-018227-7.