Malgorzata Maria Gosiewska (born July 22, 1966 in Gdansk - née Kierat) is a Deputy Marshal of the Sejm of the Republic of Poland.
She was elected to the Sejm on September 25, 2005 getting 4251 votes in 19 Warsaw district, candidating from the Law and Justice list.
Malgorzata Gosiewska was also an expert in the office of President of Poland Lech Kaczynski.
Malgorzata Gosiewska was a member of the Masovian Regional Assembly.
In 2015 team of experts led by Gosiewska published a report on the humanitarian situation during the war in Donbass.