Sven Erik Bystrøm (born 21 January 1992 in Haugesund) is a Norwegian road bicycle racer riding for Team Katusha. He was 2014 Under-23 World Road Race Champion.
He signed with the Continental level Team Øster Hus-Ridley in 2012. He signed for Team Katusha as a trainee from August 2014, with a full professional contract from 2015. He was named in the startlist for the 2016 Vuelta a España.