Jacques Loussier (born October 26. 1934 in Angers, France) is a french musician and composer.

He studied classical music at the Conservatoire Nationale de Musique in Paris and worked later as accompanist for Catherine Sauvage and Charles Aznavour.

In 1959 he combined his affection for Johann Sebastian Bach with his growing interest for jazz and founded the Play Bach Trio. This group played and improvised on basis of Bach's compositions. This created vast international attention and in 1960-63 he produced 4 albums, which sold in about 6 million copies. The trio stopped after 15 years of performing in 1978.

In the 1980'ies Loussier started composing and arranging works in his recording studio in Miraval near Nice in southern France. He met the rock world and artists like Pink Floyd, Elton John, Sting og Yes. Segments of Pink Floyd’s The Wall were recorded in his studio.