Elizabeth Karlsen is an English film producer who co-founded the production house Number 9 Films along with Stephen Wooley in 2002. Her movie credits as a producer include The Neon Bible (1995), Purely Belter (2000), How to Lose Friends & Alienate People (2008), Byzantium (2012), and Carol (2015). In 2017 she produced the war comedy film Their Finest directed by Lone Scherfig. Karlsen`s 2018 project includes Colette.