Sæmundsson
Sæmundsson is the surname or the patronymic of the following people:
- Brandur Sæmundsson (1120–1201), Icelandic clergyman, Bishop of Hólar
- Þorsteinn Sæmundsson (astronomer) (* 1935), Icelandic astronomer
- Þorsteinn Sæmundsson (politician) (* 1953), Icelandic politician (Progress Party)