Johannes Sigfrid Edström (November 11, 1870 – March 18, 1964) was a Swedish industrialist, chairman of the Sweden-America Foundation, and 4th President of the International Olympic Committee.

Sigfrid Jacobsson (4 June 1883 – 20 July 1961) was a Swedish long-distance runner. He competed in the marathon at the 1912 Summer Olympics and finished sixth.

Sigfrid Persson-Moen was a missionary for the Mission Covenant Church of Sweden in Xinjiang, China, between 1925 and 1938. His pictures and writings are one of the main sources of information about the Swedish Mission in China.

Sigfrid Mattsson, born 19 September 1917, dead 27 August 2009, was a Swedish cross-country skier. Representing Skarpnäcks IF in club competitions, he won Vasaloppet in 1952.