The String Quartet No. 2 by Béla Bartók was written between 1915 and October 1917 in Rákoskeresztúr in Hungary.
The work is in three movements:
- Moderato
- Allegro molto capriccioso
- Lento
The work is dedicated to the Waldbauer-Kerpely Quartet, and it was they who gave the piece its premiere on March 3, 1918 in Budapest. The work was first published in 1920 by Universal Edition.