Björn J:son Lindh (born Björn Lindh; 25 October 1944 – 21 December 2013) was a Swedish flautist, pianist, music arranger, composer and artist. He worked in such diverse musical styles as jazz, classical, fusion, rock, prog rock and ethno. He composed for instance chamber music, symphonic works, concertos for various instruments and choirs as well as film scores for feature films and TV series in Scandinavia. J:son Lindh scored music for films such as Mannen på taket, directed by Bo Widerberg and Jägarna, directed by Kjell Sundvall.
Björn J:son Lindh's ancestors family name was Jansson for several generations. His father changed the family name to Lindh in 1931. The name combination J:son Lindh, where J:son originates from the family name Jansson, has been used since then, but was only in 2009 approved by The Swedish Patent and Registration Office as a family name.