Among the repertoire for the standard string sextet (2 violins, 2 violas, and 2 cellos) are the following works:^[1]

Ordering is by surname of composer.

Afanasyev, Nikolai

• String Sextet

Barvinsky, Vassily

• String Sextet (1914)

Bečan, Nejc (1984)

• Clownology (The Jester, Pierrot - the sad Clown, The Circus Clown)

Berezovsky, Nikolai

• String Sextet No. 1
• String Sextet No. 2

Boccherini, Luigi

• 6 String Sextets, Op. 23 (1776)

Borodin, Aleksandr

• String Sextet in D minor

Børresen, Hakon

• String Sextet in G major, Op. 5 (1901)

Brahms, Johannes

• String Sextet No. 1 in B-flat major, Op. 18 (1860)
• String Sextet No. 2 in G major, Op. 36 (1864-1865)

Bridge, Frank

• String sextet in E-flat major (1906-1913)

Busch, Adolf

• String Sextet

Cissell, Luke

• String Sextet No. 1 (2019)
• String Sextet No. 2 (2019)^[2]

Davidov, Alexei

• String Sextet in E-flat major Op.12

Davydov, Karl

• String Sextet Op.35 (1879)

Dohnányi, Ernst von

• String Sextet W080 (1893/6/8)

Antonín Dvořák

• String Sextet A major, Op. 48, (B. 80) (1878)

Gade, Niels

• String Sextet in E-flat major, Op. 35

Geviksman, Vitali

• String Sextet (1960)

Glass, Louis

• String Sextet, Op.15

Glière, Reinhold

• String Sextet No. 1, Op. 1 (1900)
• String Sextet No. 2, Op. 7 (1902)
• String Sextet No. 3, Op. 11 (1904)

Hofmann, Heinrich

• String Sextet in E minor, Op. 25 (published 1874)

Holbrooke, Joseph

• String Sextet "Henry Vaughan" in D major, Op. 43/16 (1902)

Indy, Vincent d'

• Sextet for Strings in B-flat major, Op. 92

Kapp, Artur

• String Sextet (1951)

Koechlin, Charles

• Le portrait de Daisy Hamilton, Op. 140

Koessler, Hans

• String Sextet in F minor (published 1902)

Korndorf, Nikolai

• Mozart Variations for string sextet (1990)

• Korngold, Erich
• String Sextet in D, Op. 10

Ledenev, Roman

• Elegiac Sextet for strings Op. 30 (1982)

Lewandowsky, Max

• String Sextet in C minor, Op. 5

Martinu, Bohuslav

• String Sextet H. 224 (1932)

Merikanto, Aarre

• String Sextet (1932) (reconstructed by Paavo Heininen, 1993)

Mosonyi, Mihály

• String Sextet in C minor

Mozart, Wolfgang Amadeus (sort-of):

• Grande Sestetto Concertante (1808 transcription of the Sinfonia Concertante for violin, viola and orchestra)

Penderecki, Krzysztof

• Ciaccona in memoriam Giovanni Paolo II (Ludwig) (2005)

Piston, Walter

• String Sextet

Rääts, Jaan

• String Sextet, Op. 98 (1997)

Raff, Joachim

• String Sextet in G minor, Op. 178 (1872)

Reger, Max

• String Sextet in F major, Op. 118

Rimsky-Korsakov, Nikolai

• String sextet in A major (1876])

Rubinstein, Anton

• Sextet for strings in D major Op. 97 (1876)

Schoenberg, Arnold

• Verklärte Nacht (Transfigured Night), Op. 4 (1899)

Schulhoff, Erwin

• Sextet for strings, (1920–24)

Spohr, Ludwig

• String Sextet in C major, Op. 140 (1848)^[3]

Stainlein, Louis Comte de [de]

• String Sextet in G major, Op. 20

Stanchinsky, Aleksei

• Sextet for strings

Strauss, Richard

• Sextet for strings from the opera Capriccio

Tchaikovsky, Pyotr

• Souvenir de Florence for string sextet, Op. 70 (1890)

Vasks, Pēteris

• Spring Sonata for string sextet (1987)

Waterhouse, Graham

• String Sextet, Op. 1 (1979/2013)

Wilm, Nikolai von

• String Sextet Op. 27

Wuorinen, Charles

• String Sextet (1989)^[4]