Greta Carlsson

Greta Carlsson (later Nygren, July 7, 1898 – March 19, 1980) was a Swedish freestyle swimmer who competed in the 1912 Summer Olympics.

In 1912 she was part of the Swedish team which finished fourth in the 4 x 100 metre freestyle relay event at the 1912 Summer Olympics. In the solo 100 metre freestyle competition she was eliminated in the first round.