Halfdan Whiteshanks (Old Norse: Hálfdan hvítbeinn) was a semi-historical petty king in Norway, described in the Ynglinga saga.
The following description is based on the account in Ynglinga saga, written in the 1220s by Snorri Sturluson.
Some Swedes, however, realised that the famine was brought by overpopulation and not by the fact that the king had been neglecting his religious duties.
Consequently, they resolved to cross the Ed Forest and settle in Norway and happened to end up in Soleyar, where they killed king Sölve and took Halfdan prisoner.
Halfdan died of old age in Toten and was transported to Vestfold, where he was buried under a mound in Skiringssal.