Sigfus Fannar Gunnarsson is a professional footballer from ISL and is currently 24 years old. He is on the books of Thor Akureyri and wears shirt number 37. His main role on the pitch is Forward. His estimated market valuation currently stands at 150K €.

His latest transfer saw him join Thor Akureyri from Dalvík/Reynir via Loan on 2024-02-02.

During the Iceland 1. Deild Karla 2025 campaign, Sigfus Fannar Gunnarsson made 21 appearances, scoring 14 goals and adding 2 assists. He averaged 0.7 goals per match from 0 shots, with 0 on target.