Outi Marjatta Heiskanen (born 26 September 1937) is a Finnish artist. She debuted in 1971. Outi Heiskanen is famous for her figurative graphic work. Her subjects include her family and friends, animals, as well as animal-human hybrids. Her main printmaking technique is etching, which she uses to draw the motif. She then augments the etching by aquatint or drypoint where necessary. Heiskanen is also known for her versatility as a performer, set designer and creator of happenings and performances. She is also a member of several independent artists' groups.