Swedish accordion player, organ player and songwriter, born 9 August 1933 in Ystad, Sweden.

He moved to Gothenburg, Sweden in 1950. There he completed an education and became and worked as a constructional engineer. On his free time, he was a composer and at a beginning also a lyricist to his own compositions. But in 1956, Bengt Larsson started a collaberation with other Swedish lyricists, first S.S. Wilson (an alias for Anita Halldén). Thereafter, he worked together with Bengt Haslum, and from 1966 and thereafter, he mainly worked together with K. G. Larsson.