String Quartet No. 11

String Quartet No. 11 may refer to:


 * String Quartet No. 11 (Beethoven), Serioso by Ludwig van Beethoven
 * String Quartet No. 11 (Dvořák) by Antonín Dvořák
 * String Quartet No. 11 (Hill) by Alfred Hill
 * String Quartet No. 11 (Maconchy) by Elizabeth Maconchy
 * String Quartet No. 11 (Milhaud), Op. 232, by Darius Milhaud
 * String Quartet No. 11 (Mozart) by Wolfgang Amadeus Mozart
 * String Quartet No. 11 (Schubert) by Franz Schubert
 * String Quartet No. 11 (Shostakovich) by Dmitri Shostakovich
 * String Quartet No. 11 (Spohr) by Louis Spohr
 * String Quartet No. 11 (Villa-Lobos) by Heitor Villa-Lobos