Viðarsson is an Icelandic surname. Notable people with the surname include:
- Arnar Viðarsson (born 1978), Icelandic footballer
- Bjarni Viðarsson (born 1988), Icelandic footballer
- Davíð Viðarsson (born 1984), Icelandic footballer
Viðarsson is an Icelandic surname. Notable people with the surname include: