The Quintettsatz in D minor, Hess 40, is an incomplete composition for string quintet with two violas by Ludwig van Beethoven. Comprising a completed prelude and an incomplete fugue, it was composed in 1817 around the same time as the Fugue for String Quartet in D major, Op. 137.

Date of composition 1817
Type String Quintet
Tonality D Minor
Catalogue Hess 40
Approx. duration 3 minutes
Instruments Cello
2x Violin
2x Viola
Autotranslations beta Ludwig van Beethoven: Quintettsatz en ré mineur, Hess 40
Ludwig van Beethoven: Quintettsatz in re minore, Hess 40
Ludwig van Beethoven: Quintettsatz d-moll, Hess 40