Danh sách nhà soạn nhạc cổ điển thế kỷ 21
H

Georg Friedrich Haas (sinh 1953)
Eilert Hægeland (sinh 1951)
Gudmundur Hafsteinsson (sinh 1953)
Daron Hagen (sinh 1961)
Jocelyn Hagen (sinh 1980)
Georg Hajdu (sinh 1960)
André Hajdu (sinh 1932)
Lorant Hajdu (sinh 1937)
Naji Hakim (sinh 1955)
Jeremy Haladyna
Václav Hálek (sinh 1937)
Cristóbal Halffter (sinh 1930)
Emily Hall (sinh 1976)
Carl-Axel Hall (sinh 1947)
Roger Lee Hall (sinh 1942)
Bengt Hallberg (sinh 1932)
Hans Peter Haller (sinh 1929)
Hermann Haller (1914–2002)
Joseph Hallman (sinh 1979)
András Hamary (sinh 1950)
Bengt Hambraeus (sinh 1928)
Eero Hämeenniemi (sinh 1951)
Peter Michael Hamel (sinh 1947)
Johan Hammerth (sinh 1953)
Philip Hammond (sinh 1951)
Roger Hannay (sinh 1930)
Ann-Elise Hannikainen (sinh 1946)
Jan Hanuš (sinh 1915)
Hiroshi Hara (Composer) (sinh 1933)
John Harbison (sinh 1938)
Aharon Harlap (sinh 1941)
Edward Harper (sinh 1941)
David Harris (sinh 1933)
Donald Harris (sinh 1931)
Kevin F. Harris (sinh 1965)
Jonty Harrison (sinh 1952)
Lou Harrison (1917-2003)
Jonathan Harvey (sinh 1939)
Juraj Hatrik (sinh 1941)
Edu Haubensak (sinh 1954)
Halvor Haug (sinh 1952)
Svatopluk Havelka (sinh 1925)
Diana Pereira Hay (sinh 1932)
Komei Hayama (sinh 1932)
Hikaru Hayashi (sinh 1931)
Gary Hayes (sinh 1948)
Paul Hayes (sinh 1951)
Sorrel Hays (sinh 1941)
Roberto Hazon (sinh 1930)
Anthony Hedges (sinh 1931)
Åse Hedstrøm (sinh 1950)
Lennart Hedwall (sinh 1932)
Magne Hegdal (sinh 1944)
Werner Heider (sinh 1930)
Harald Heilmann (sinh 1924)
David Heinick (sinh 1954)
Paavo Heininen (sinh 1938)
Mikko Heiniö (sinh 1948)
Walter Hekster (sinh 1937)
Barbara Heller (sinh 1936)
Richard Heller (sinh 1954)
Karlton Hester (sinh 1954)
Robert Maximilian Helmschrott (sinh 1938)
Robert Helps (1928-2001)
Christoph Hempel (sinh 1946)
Gerard Hengeveld (1910-2001)
Pierre Henry (sinh 1927)
Blake R. Henson (sinh 1983)
Hans Werner Henze (sinh 1926)
Robert Heppener (sinh 1925)
Franz Jochen Herfert (sinh 1955)
Jerry Herman (sinh 1933)
Vasile Herman (sinh 1929)
Hermilio Hernández (sinh 1931)
Rhazes Hernández-López (sinh 1918)
Peter Herrmann (sinh 1941)
Michael Hersch (sinh 1971)
Jacques Hétu (sinh 1938)
Detlef Heusinger (sinh 1956
David Graham Hewson (sinh 1953)
Volker Heyn (sinh 1938)
Manuel Hidalgo (sinh 1956)
Jennifer Higdon (sinh 1962)
Jackson Hill (sinh 1941)
Winfried Hiller (sinh 1941)
John S. Hilliard (sinh 1947)
Hajo Hinrichs (sinh 1911)
Kozaburo Hirai (1910-2002)
Cornelius Hirsch (sinh 1954)
Hans Ludwig Hirsch (sinh 1937)
Caspar René Hirschfeld (sinh 1965)
Miroslav Hlaváč (sinh 1923)
Theodor Hlouschek (sinh 1923)
Christopher Hobbs (sinh 1950)
Francesco Hoch (sinh 1943)
Stanislav Hochel (sinh 1950)
Gilad Hochman (sinh 1982)
Wolfgang Hochstein (sinh 1950)
Alun Hoddinott (1929-2008)
Harry Höfer (sinh 1921)
Joel Hoffmann (sinh 1953)
Richard Hoffmann (sinh 1925)
Thomas Hofmann (sinh 1958)
Wolfgang Hohensee (sinh 1927)
Christoph Hohlfeld (sinh 1922)
Theodor Holdheim (sinh 1923)
York Höller (sinh 1944)
Alan Holley (sinh 1954)
Donald Russel Hollier (sinh 1934)
Heinz Holliger (sinh 1939)
Robin Holloway (sinh 1943)
Kristin Holm (sinh 1965)
Peder Holm (sinh 1926)
Jean-Paul Holstein (sinh 1939)
Adriana Hölszky (sinh 1953)
Simeon ten Holt (sinh 1923)
Simon Holt (sinh 1958)
Bo Holten (sinh 1948)
Joaquín Homs (1906-2003)
John Michael Hooke (sinh 1946)
Sarah Hopkins (sinh 1958)
Antony Hopkins (sinh 1921)
Sarah Horick (sinh 1984)
David Horne (sinh 1970)
Stanko Horvat (sinh 1930)
Josef Maria Horvath (sinh 1931)
Michael Horwood (sinh 1947)
Toshio Hosokawa (sinh 1955)
Simon Hovanessian (sinh 1940)
Luc van Hove (sinh 1957)
Egil Hovland (sinh 1924)
Leslie Howard (sinh 1948)
Leonid Hrabovsky see also Grabowski hoặc Hrabovski (sinh 1935)
Alexandru Hrisanide (sinh 1936)
Ivan Hrušovsky´ (1927-2001)
Tsang-Houei Hsu (1929-2001)
Klaus Huber (sinh 1924)
Nicolaus A. Huber (sinh 1939)
Klaus K. Hübler (sinh 1956)
Karl Anton Hueber (sinh 1928)
Wolfgang Hufschmidt (sinh 1934)
Gerald Humel (sinh 1931)
Bertold Hummel (1925-2002)
Franz Hummel (sinh 1939)
Hans Ulrich Humpert (sinh 1940)
Philippe Hurel (sinh 1955)
Ilja Hurník (sinh 1922)
Karel Husa (sinh 1921)
Lajos Huszár (sinh 1948)
Svend Hvidtfelt Nielsen (sinh 1958)
Ketil Hvoslef (sinh 1939)
Miriam Hyde (sinh 1913)
Oliver Hynes (sinh 1946)