Dagmar Lassander (byname of Dagmar Regine Hager; born 16 June 1943) is a German actress.
She was born in Prague to a French father and Chilean-German mother, and began her career as a costume designer in the Berlin Opera. Her first role was in 1966 in a film by Will Tremper. Starting from 1969, she began to work regularly, especially in Italian crime, horror and erotic movies. In the 1980s she was featured in several Italian TV series and the French-German feature film S.A.S. à San Salvador.