Franz Fleckenstein (8 June 1922 – 5 January 1996) was a German church musician, priest and composer.
Born in Würzburg, Fleckenstein studied church music in Regensburg and after the war additionally theology.
During this time he founded the Würzburger Domsingknaben [de] and in 1967 he and his choirs organized the reopening of the Würzburg Cathedral.
From 1970 he directed the renowned church music school in Regensburg, which since 2001 has been called Hochschule für Katholische Kirchenmusik und Musikpädagogik Regensburg [de].
From 1974 to 1984 Fleckenstein was state president of the choir association Allgemeiner Cäcilien-Verband für Deutschland and member of various church commissions.