Ungmennafélagið Fjölnir (Icelandic pronunciation: [ˈuŋkˌmɛnːaˌfjɛːˌlaijɪð ˈfjœlnɪr̥], lit.'Fjölnir Youth Club'), commonly known as Fjölnir, is a multi-sport club from Iceland. The club is located in Grafarvogur, Reykjavík. The club was founded in 1988 under the original name Ungmennafélagið Grafarvogur (Grafarvogur Youth Club); however, because another team already had the abbreviation UMFG, the name was changed to Ungmennafélagið Fjölnir, commonly referred to as Fjölnir. A total of nine sports are practised at the club: football, basketball, handball, taekwondo, karate, tennis, swimming, athletics and gymnastics. Chess is also played at the club. Each one of these sports has their own department with their own board but all are under the main board and the club office.

Fjolnir Women is a dynamic and passionate soccer team based in Reykjavik, Iceland, known for its commitment to excellence both on and off the field. Established as part of the Fjolnir sports club, the team embodies the spirit of teamwork, resilience, and community pride.

The players of Fjolnir Women are a diverse group of talented athletes who bring a mix of skill, determination, and creativity to the game. They compete in the top tiers of Icelandic women's soccer, showcasing their abilities in fast-paced matches that highlight their tactical prowess and physical endurance. The team's distinctive blue and white colors symbolize their connection to the beautiful Icelandic landscape and the unity of their squad.

Fjolnir Women is not just about competition; they are dedicated to fostering the growth of women's soccer in Iceland. Through youth programs and community outreach, they inspire the next generation of female athletes, promoting inclusivity and empowerment in sports. With a strong fan base that passionately supports them at home games, Fjolnir Women continues to make a significant impact in the Icelandic soccer scene, striving for success while upholding the values of sportsmanship and camaraderie.