Bengt-Arne Wallin (13 July 1926 – 23 November 2015) was a Swedish jazz composer, arranger, trumpeter, and flugelhorn player who played jazz influenced by Swedish traditional folk music.

Between 1953 and 1965, he worked in the ensembles of Arne Domnérus and Lars Gullin, as well as the Radiobandet with Harry Arnold.

His arrangements of Swedish folklore, which were initially recorded under the title Old Folklore in Swedish Modern 1962 with a big band, featured soloists such as Domnérus, Idrees Sulieman, Sahib Shihab and Georg Riedel and strings.

He returned to this musical area in 1997 with the JazzBaltica ensemble (including Tomasz Stańko, Nils Landgren, Bugge Wesseltoft and Wolfgang Schlüter).

For his music production Visa fran Barnrike he received in 1970 the international radio award Prix Triumph Variete.