Curling
Representing Sweden
Olympic Games
	2014 Sochi	Team
World Curling Championships
	2002 Bismarck
	2009 Gangneung
	2012 Lethbridge
	2013 Riga
European Curling Championships
	2010 Champéry
	2013 Stavanger
	2011 Moscow
	2012 Karlstad
World Junior Curling Championships
	1997 Karuizawa

Margaretha Sigfridsson (born 28 January 1976) is a Swedish curler from Sundsvall.

Sigfridsson skipped the Swedish team at the 1997 World Junior Curling Championships, 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 Women's Curling Championship. Once again, she won a silver medal, and once again lost to Scotland (this time, skipped by Jackie Lockhart) in the final. The score was 6–5.

Sigfridsson would later join the Stina Viktorsson rink, at first playing second, and then becoming lead in 2007. Sigfridsson would return to the Worlds as a member of the Viktorsson rink at the World Championships in 2008, finishing in sixth place. The team would win their first World Curling Tour event the next season, winning the 2008 . Later in the season, Sigfridsson temporarily joined the Anette Norberg rink as lead, and the team won a silver medal at the 2009 Mount Titlis World Women's Curling Championship, losing to China's Wang Bingyu in the final. Sigfridsson won a gold medal at the 2010 European Curling Championships with Viktorsson. In 2010-11, the Viktorsson rink would play in their first two Grand Slam events. They played in the 2010 Manitoba Lotteries Women's Curling Classic, winning 4 games before being eliminated, and at the 2011 Players' Championship, winning just two games.

In 2011, Viktorsson left the rink, and Sigfridsson took over as skip, but would still throw first stones. The team brought in Maria Prytz to throw last rocks. The team quickly became the top team in Sweden, and would represent the country at the 2011 European Curling Championships where they won a silver medal, losing to Scotland's Eve Muirhead rink. As Sweden's representative at the 2012 Ford World Women's Curling Championship, the Sigfridsson rink won the silver medal, losing to Switzerland's Mirjam Ott in the final match. The team won one WCT event in the season, the 2011 Credit Suisse Women's Masters Basel. They played in on Grand Slam event, the 2011 Manitoba Lotteries Women's Curling Classic, winning four games.

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