Fredrik Karlström (born 12 January 1998) is a Swedish professional ice hockey forward who is currently playing for the Växjö Lakers of the Swedish Hockey League (SHL).
Karlström was drafted by the Dallas Stars in the third round, 90th overall, of the 2016 NHL Entry Draft.During the 2018–19 season, Karlström was briefly loaned to his youth club, AIK IF in the HockeyAllsvenskan (Allsv) on from his SHL club, Linköpings HC.
Karlström returned after 6 games to finish the season in the SHL with 10 points in 45 games.
Out of contract with Linköpings in the off-season, Karlström left to sign a two-year contract with rival club, the Växjö Lakers, on 8 April 2019.