K
- Kendall Quartet
- Keller String Quartet
- Klingler Quartet
- Kneisel Quartet
- Kocian Quartet
- Kodály Quartet
- Koeckert Quartet
- Kolisch Quartet
- Kontra Quartet
- Kopelman Quartet
- Kortshak Quartet
- Krettly Quartet
- Kroll Quartet
- Kronos Quartet
- Kuss String Quartet
- Kuchl Quartet
- Kutcher String Quartet
Read more about this topic: List Of String Quartet Ensembles