K
- Kalichstein, Joseph, 1946 - (3)
- Kapell, William, 1922 - 1953 (1)
- Karr, Gary, 1941 (2)
- Kates, Stephen, 1943 - (5)
- Kelly, Gene, 1912 - (2)
- Kelvin, Gail (1)
- Kim, Chung Cha (2)
- Kim, Young Uck (3)
- Kincaid, William, 1895 - 1967 (3)
- Kirchner, Leon (1)
- Kodaly, Zoltan, 1882 - 1967 (2)
- Korn, Michael (4)
- Kosler, Zdenek (3)
- Koussevitzky, Natalie (1)
- Koussevitzky, Olga (24)
- Koussevitzky, Serge, 1874 - 1951 (109)
- Kraft, "Mr." (1)
- Krasnopolsky, Yuri (2)