Thorfinnsson is an Icelandic patronymic surname. Notable people with the surname include:
- Björn Thorfinnsson (born 1979), Icelandic chess player and journalist
- Bragi Þorfinnsson (born 1981), Icelandic chess grandmaster
- Paul and Erlend Thorfinnsson; Paul (died after 1098) and Erlend (died 1098) ruled together as Earls of Orkney
- Snorri Thorfinnsson (born between 1005 and 1013), the first European to be born in North America
Surname listThis page lists people with the surname Thorfinnsson. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Category: