Fredrik Carl Michael Hammar (born 26 February 2001) is a Swedish professional footballer who plays as a central midfielder for Belgian Pro League club Mechelen.
A holding midfielder,[3] Hammar began his career in the academy at IF Brommapojkarna and received his maiden call into the first team squad for a Superettan match versus Åtvidabergs FF on 23 September 2017.
[6] On 29 January 2019, Hammar moved to England to join the B team at Championship club Brentford on an 18-month contract, with the option for a further year.
[7][8] Hammar was a part of the first team squad throughout much of the 2019–20 pre-season and after a period out injured,[9] he made his debut as a late substitute for Jan Žambůrek in a 1–0 FA Cup third round victory over Stoke City on 4 January 2020.
[10] Hammar was promoted into the first team group for the 2019–20 season restart and the club took up the one-year option on his contract in July 2020.
[13][14][15][16] Having failed to make a first team appearance so far during the 2020–21 regular season and with six months left on his contract,[17] Hammar departed Brentford on 25 January 2021.
[1][28] On 7 January 2025, Hammar transferred to Belgian Pro League club Mechelen and signed a 3+1⁄2-year contract for an undisclosed fee.