- Harbison, Helen4
- Harbison, John1
- Harbison, Rose Mary1
- Harris, Roy, 1898-19791
- Harrison, Jay1
- Harsányi, Janice1
- Hauck, Robert (Trombonist)1
- Häfner, Herbert1
- Hebert, Bliss1
- Heifetz, Benar2
- Heilbut, Francis1
- Heiss, John2
- Heldrich, Claire1
- Hellermann, William3
- Helps, Robert1
- Hendl, Walter, 1917-20076
- Hendricks, Barbara1
- Heninger, Robert1
- Hersh, Ralph2
- Hess, Benton1
- Hill, William H., 1925-19981
- Hillyer, Howard1
- Hindemith, Paul, 1895-19631
- Hines, Roy1
- Hoagland, Diana1
- Hodkinson, Sydney1
- Hoffman, Allen, 1942-1
- Hoffman, Stanley, 1929-2
- Hoiby, Lee1
- Hollander, John10
- Holm, Einar (Cellist)1
- Holm, Hanya, 1893-19921
- Holtz, Deborah (Violist)1
- Holzman, David1
- Hopf, Gertraud1
- Hopkins, Gerard Manley, 1844-18893
- Hopkins, Kenyon1
- Housman, A. E. (Alfred Edward), 1859-19361
- Hovda, Eleanor, 1940-1
- Howard, Al1
- Humphrey, Doris, 1895-19582
- Hunkins, Arthur B., 1937-2
- Hurley, Laurel1
- Huxley, Aldous, 1894-19631
- Hübner, Carla1
- Hyde, Peter1
- Hymovitz, Edwin3
- Imbrie, Andrew, 1921-20071
- Israel, Theodore, 1927-19872
- Ives, Charles, 1874-19542
- Jacobson, Glenn1
- Jekowsky, Barry1
- Jenkins, Newell1
- Johannesen, Grant1
- Johnson, Hunter, 1906-19981
- Johnson, Lockrem, 1924-19771
- Johnson, Thor2
- Johnston, Ben1
- Johnston, Donald (Baritone)1
- Jolley, David1