Sonja Sofia Valfrida Johnsson (later Dymling, 7 August 1895 â 18 June 1986) was a Swedish freestyle swimmer who competed in the 1912 Summer Olympics. She was eliminated in the first round of the 100 m event and finished fourth with the Swedish 4 à100 m team.
Her nephew Stein competed for Norway in the discus throw at the 1948 and 1952 Olympics.