Margaretha Sigfridsson is a Swedish

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 curler. She plays lead for Stina Viktorsson

Stina Viktorsson

Stina Viktorsson is a Swedish curler from Umeå. She is a skip.Viktorsson had an accomplished Junior career in Sweden winning a bronze medal at the 2004 World Junior Curling Championships and a silver at the 2005 Juniors...

.

Sigfridsson skipped the Swedish team at the 1997 World Junior Curling Championships

World Junior Curling Championships

The World Junior Curling Championships is an annual curling tournament featuring the world's best curlers who are 21 years old or younger. The competition for both men and women occur at the same venue. The men's tournament has occurred since 1975 and the women's 1988...

, winning the silver medal. Sweden lost in the final game 11-3 to Scotland, skipped by Julia Ewart.

Sigfridsson was the Swedish skip at the 2002 Ford World Curling Championships. Once again, she won a silver medal, and one again lost to Scotland (this time, skipped by Jackie Lockhart

Jackie Lockhart

Jacqueline "Jackie" Lockhart is a Scottish curler who has competed prolifically in major international competitions for Scotland, and for the Great Britain team that competes at the Olympic Winter Games.Having made her international debut at the 1983 European Championships, she went on to claim a...

) in the final. The score was 6-5.

Sigfridsson returned to the World Championships in 2008, where she played lead for the Swedish team that finished in sixth place.