Wersäll is a Swedish surname. Notable people with the surname include:
Claës Wersäll (1848–1919), Swedish governor and artillery officer Charlotta Wersäll (1858–1924), Swedish noblewoman, wife of Claes Claës-Axel Wersäll (1888–1951), Swedish gymnast, son of Claes and Charlotta Fredrik Wersäll (born 1951), Swedish jurist, lawyer, and civil servant Gustaf Wersäll (1887–1973), Swedish modern pentathlete, son of Claes and Charlotta, brother of Claes-Axel Ture Wersäll (1883–1965), Swedish tug of war competitor, son of Claes and Charlotta, brother of Claes-Axel and Gustaf