Anna Carin Helena Cecilia Zidek is a Swedish former biathlete who won a silver medal in the 7.5 km sprint and a gold medal in the 12.5 km mass start event at the 2006 Winter Olympics. Originally a cross-country skier, Olofsson competed at the 2002 Winter Olympics, but in the three events she took part in she made the top 30 only once, and the following season she switched to biathlon.