Nina Skeime Kostøl (born 21 May 1962) is a Norwegian former cross-country skier who competed from 1982 to 1991. She won two medals in the 4 à5 km relay FIS Nordic World Ski Championships (silver: 1987, bronze: 1989).
Skeime's best individual career finish was sixth in the 10 km event at the 1987 FIS Nordic World Ski Championships in Oberstdorf.
All results are sourced from the International Ski Federation (FIS).
Note: Until the 1999 World Championships, World Championship races were included in the World Cup scoring system.