Bruder Martin is an oratorio composed by Thomas Gabriel to a libretto in German by Eugen Eckert. The work in seven scenes and a prologue is based on the life of Martin Luther. It was written for the 500th anniversary of the Reformation in 2017. The composition is set for narrator, soloists, mixed choir, band and orchestra, and includes both Luther hymns and pop ballads. Bruder Martin was premiered open air in Tecklenburg on 17 September 2017, with the performers dressed in period costumes. It was published by Strube Verlag.

Thomas Gabriel is a German church musician, composer and arranger.