Styrmir Snær Þrastarson (anglicised to Snaer Thrastarson; born 2 August 2001) is an Icelandic basketball player for Belfius Mons-Hainaut of the BNXT League.
Styrmir started his senior team career with Þór Þorlákshöfn during the 2016–2017 season and won the Icelandic Super Cup in both 2016 and 2017.
During the 2019–20 season, he was loaned to 1. deild karla club Hamar where he went on to average 10.2 points and 5.3 rebounds in 9 games.
In the first round of the playoffs, Styrmir averaged 15.8 points, seven rebounds and five assists in Þorlákshöfn's 3–1 series win against Þór Akureyri.
[5][6] On 25 June 2021 he helped Þór win the national championship for the first time after it beat Keflavík 3–1 in the Úrvalsdeild finals.