String Quartet in F minor may refer to: No. 5 of the String Quartets, Op. 20 (Haydn) String Quartet No. 11 (Beethoven) String Quartet No. 6 (Mendelssohn) String Quartet No. 5 (Dvořák) String Quartet No. 2 (Nielsen) String Quartet No. 11 (Shostakovich)