Anna Margret Haag (born 1 June 1986, Köping, Västmanland, as Anna Hansson) is a Swedish cross-country skier who has been competing since 2003. She won a bronze medal in the 4 x 5 km at the FIS Nordic World Ski Championships 2009 in Liberec.
Haag's best individual World Cup finish is a third place in a 10 km event 21 November 2009. Her lone victory was at a FIS race in Sweden in the 10 km event in 2008.
On 19 February 2010, Haag won the Olympic silver medal in the 15 km pursuit. Three days later, on 22 February, she won another silver medal, in the team sprint together with Charlotte Kalla.
At the Sochi 2014 Winter Olympics Haag in 4 x 5 km team relay, 3rd stage, won gold.
Haag's boyfriend is sprint specialist Emil Jönsson. They spend their time between Östersund and Davos.