Kjersti Ericsson (born 18 January 1944 in Oslo, Norway) is a Norwegian psychologist, criminologist, writer, poet and former politician. She is Professor of Criminology at the Faculty of Law of the University of Oslo. Kjersti Ericsson was leader of the political party Workers' Communist Party (AKP) from 1984 to 1988. From 1980 to 1984, she was deputy leader. Aside from her academic publications, she has published poetry, novels and political literature in Norwegian, English and German.