Swedish journalist, lyricist, and both a singer for the main stream and for the opera during his life, popularly called SOS, born on 28 December 1905 in Stockholm, died on 20 August 1974 in Danderyd.

In the later part of his life, Sven-Olof Sandberg was also given the opportunity to perform as a singer in the new TV media of the 1960s in Sweden. He had earlier had several, similar experiences as performer of soundtracks in different Swedish movies. He even tried to start a professional movie career as actor in 1923, but he soon gave up that idea. Sven-Olof Sandberg released his first recording in 1927.

Sven-Olof Sandberg was married to Gunnel Sandberg between 1930 and 1941. From 1941 and until his death in 1974, he was married to Gunilla Sandberg.