Kjersti Horn (born 30 June 1977) is a Norwegian theater director and storyboard artist, the daughter of scenographer Per Kristian Horn (born 1941) and the actor, theater director and politician for the Norwegian Labour Party (AP), Ellen Horn (b. Stoesen in 1951), partner with Sound designer and composer Erik Hedin (born 1974, two children), and half sister of Jazz singer and actor Emilie Stoesen Christensen (born 1986). She was born with the bone disease "spondylo-epyphyfyseal-dysplasi".