Sigmundsson
Sigmundsson may refer to:
- Beinir Sigmundsson (10th century – c. 970), chieftain in the Faroe Islands
- Brestir Sigmundsson (10th century -ca. 970), chieftain in the Faroe Islands
- Freyr Gauti Sigmundsson (born 1972), Icelandic judoka
- Ivar Sigmundsson (born 1942), Icelandic alpine skier
- Kristinn Sigmundsson (born 1951), Icelandic operatic bass