Halfdansson is a Nordic surname that may refer to:
- Eystein Halfdansson (c. 668 – 730)
- Hemming Halfdansson (died 837)
- Harald "Klak" Halfdansson (c. 785 – c. 852)
- Haraldr Hálfdansson (c. 850 – c. 932)
- Sigurd Syr Halfdansson (died 1018)
This page lists people with the surname Halfdansson.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.