Hrólfs saga kraka, the Saga of King Hrolf kraki, is a late legendary saga on the adventures of Hrólfr Kraki and his clan, the Skjöldungs. The events can be dated to the late 5th century and the 6th century. It is believed to have been written in the period c. 1230 - c. 1450. 44 manuscripts survive, but the oldest one of them is from the 17th century, although a manuscript is known to have existed c. 1461 at the monastery of Möðruvellir in Iceland.

The saga elaborates on the same matter as several other sagas, and chronicles, in Scandinavian tradition, and also in the Anglo-Saxon poems Beowulf and Widsith. In Beowulf and Widsith, many of the same characters appear in their corresponding Old English forms: Hrólfr Kraki appears as Hroðulf, his father Helgi as Halga, his uncle Hróarr as Hroðgar, his grandfather Halfdan as Healfdene and their clan, the Skjöldungs, as the Scyldings. Moreover, some of their enemies also appear: Fróðo as Froda and king Aðils of Sweden as the Swedish king Eadgils. For a more thorough treatment, see Origins for Beowulf and Hrólf Kraki.