"Wer nur den lieben Gott läßt walten" is a 1641 hymn by Georg Neumark, who also composed the melody for it. It has seven verses and deals with the Christian putting their trust in God. Its author referred to it as a "Trostlied" or song of consolation and it first appeared in his Fortgepflantzer musikalisch-poetischer Lustwald. It also appeared in Johann Crüger's 1672 Praxis pietatis melica and in the first part of Johann Anastasius Freylinghausen's 1704 Geistreiches Gesangbuch. It has inspired musical settings, and is part of current German hymnals, both Protestant and Catholic.

Johann Sebastian Bach composed the church cantata Wer nur den lieben Gott läßt walten, BWV 93 in Leipzig for the fifth Sunday after Trinity and first performed it on 9 July 1724. He based the chorale cantata on the hymn of the same title by Georg Neumark (1657). It is part of his chorale cantata cycle.