Sebastian Søraas Sebulonsen (born 27 January 2000) is a Norwegian professional footballer who plays as a right-back for Danish Superliga club Brøndby.

[1][4] After progressing through the youth teams of the club, he made his senior debut on 24 September 2016, aged 16, in a Norwegian Second Division match against Florø.

[7] On 21 June 2020, he made his league debut for the club in a 3–0 loss against Brann, replacing Johnny Furdal in the 68th minute.

[12] There he made four appearances, putting in impressive performances, including one against his parent club Viking, where he provided an assist.

[16] His European debut came four days later in a 1–1 draw in the UEFA Europa Conference League qualifier against Pogoń Szczecin.