Sonja Johnsson

Sonja Sofia Valfrida Johnsson (later Dymling, 7 August 1895 – 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 × 100 m team.

Her nephew Stein competed for Norway in the discus throw at the 1948 and 1952 Olympics.