Sigurdsson is a surname of Norwegian origin, meaning son of Sigurd. The name refers to:
Haakon Sigurdsson (c. 937 – 995), Norwegian earl; ruler of Norway 971–995
Sumarlidi Sigurdsson (d. between 1014 and 1018), Earl of Orkney
Einar Sigurdsson (d. 1020), Earl of Orkney
Brusi Sigurdsson (d. between 1030 and 1035), Earl of Orkney
Thorfinn Sigurdsson (1009–1064), Earl of Orkney
Sigurd Sigurdsson Markusfostre (ca. 1155 – 1163)
Haraldur Sigurdsson (b. 1939), Icelandic-American geologist and vulcanologist