Nina Karlsson (born 16 November 1975) is a retired Swedish professional golfer.

Karlsson won the 1993 Norwegian Ladies Open Amateur Championship and represented Sweden at the 1994 European Girls' Team Championship at Club de Campo in Malaga, Spain, where her team finished fifth.

She reached the final in SM Match three years running 1995–1997 but lost to Mia Löjdahl, Anna Berg and Catrin Nilsmark, respectively.

After winning the SGT Order of Merit in 1997 and 1998, she joined the Ladies European Tour in 1998.

[3] Karlsson carded a 29 for nine holes in the final round of the 2005 Ladies Central European Open at Old Lake GC in Hungary (par 71),[4] tying the LET 9-hole record for lowest round set by Kitrina Douglas at the 1988 Ladies Italian Open and later matched by Laura Davies, Trish Johnson and Sophie Gustafson.