Sidsel Mørck (born 28 November 1937) is a Norwegian poet, novelist and columnist. Mørck made her literary debut in 1967 with the poetry collection Et ødselt sekund. Since then, she has published over 30 novels, short stories and collections of poems for adults and children. As an activist, she has written over 120 articles on social issues, particularly environmental protection and industrial pollution, and given a number of lectures. Mørck was on the board of The Sophie Prize, an international environment and development prize awarded annually from 1998 to 2013.