String Quartet in D minor may refer to: No. 2 of the String Quartets, Op. 76 (Haydn) String Quartet No. 13 (Mozart) String Quartet No. 15 (Mozart) String Quartet No. 14 (Schubert) String Quartet No. 3 (Spohr) String Quartet No. 2 (Smetana) String Quartet No. 9 (Dvořák) String Quartet (Fitzenhagen) String Quartet No. 1 (Schoenberg) String Quartet in D minor (Sibelius) String Quartet No. 6 (Bartók)