Norðdahl is an Icelandic surname. Notable people with the surname include:
- Birna Norðdahl (1920-2004), Icelandic chess master
- Eiríkur Örn Norðdahl (born 1978), Icelandic writer
- Magnús Norðdahl, Icelandic lawyer
Kolmapäev, veebruar 26, 2025
Norðdahl is an Icelandic surname. Notable people with the surname include: