Jenny Wanda Barkmann, an SS-official at Nazi concentration camps, is thought to be from Hamburg, Germany. She was born sometime in 1921.

In 1944, she became an Aufseherin in the Stutthof SK-III women's camp. There she brutalized the prisoners, some to death. She also selected women and children for the gas chambers. She was so severe that the women prisoners nicknamed her the "Beautiful Specter."

Jenny fled Stutthof and disappeared as the Soviets approached. While trying to leave in May 1945, she was arrested at a Gdańsk train station. The former matron was housed in a prison and stood accused at the Stutthof Trial. Every day the woman flirted with her prison guards and redid her hair while hearing testimony. Ultimately she was found guilty and sentenced to death. Upon hearing the conviction she declared, "Life is indeed a pleasure, and pleasures are usually short." She was publicly hanged on July 4, 1946, on Biskupia Gorka Hill near Gdańsk.