Margareta Cederfelt (born in 1959 in Limhamn, Sweden) is a Swedish politician of the Moderate Party. She was a member of the Riksdag from 2000 to 2002, and a replacement member of the Riksdag from 1999 to 2000. Since 2006, she has again been a replacement member. In that role, Cederfelt has been substituting since May 2008 for Fredrik Reinfeldt, who served as Prime Minister of Sweden from 2006 to 2014.