Sæþór Benjamín Randalsson (born 1981) is an Icelandic trade unionist and politician. He was the chairman of the executive committee of the Socialist Party of Iceland. He is a board member of the .
Biography He was born in the United States and moved to Iceland around 2008.
Sæþór joined the Socialist Party of Iceland in 2018. At the party's general meeting on 24 May 2025, he was elected chairman of the executive committee, replacing Gunnar Smári, who had held the position since the party's founding.
At the same general meeting, Sanna Magdalena Mörtudóttir was elected political leader of the party, but she resigned two days later, on 26 May 2025. Sæþór since served as the party's leader. In June 2026, he was replaced as leader by Jón Ferdínand Estherarson. Sæþór was elected vice chairman of the party.
Trade unionist Sæþór is a trade unionist and was elected as an alternate to the board of directors of in 2022 on the B-list led by Sólveig Anna Jónsdóttir. He then became a member of the board and chairman of the company's labor dispute fund for the 2024–2026 term.
Personal life Sæþór was raised in the United States and is an Icelandic citizen.
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