Sigurd Håkonsson (died 962) (Old Norse: Sigurðr Hákonarson) was a Norwegian nobleman and Jarl of Lade in Trøndelag.
[1] Sigurd Håkonsson Ladejarl was the son of Håkon Grjotgardsson, the first Jarl of Lade (Old Norse: Hlaðir).
Sigurd Håkonsson was married to Bergljot Toresdatter, daughter of Tore Teiande Ragnvaldsson (Old Norse: Þórir Rǫgnvaldarson) and Ålov Årbot Haraldsdatter.
[3] In autumn 962, Sigurd Håkonsson and his warriors were burnt to death by Harald Greycloak, while staying the night at Aglo, in modern-day Skatval in Stjørdal Municipality.
In 970, his killing was later avenged by Sigurd's son, Haakon Sigurdsson, who had become an ally of King Harold Bluetooth.