- Khatchaturian, Karen Surenovich (1920-)
- Kherl, Johann Kasper (Casper) von (1627-1693)
- Kibble, Percy Charles (1885-)
- Kickstat, Paul (1893-1959)
- Kidby, Joseph Robert (1890-)
- Kidd, Malcolm Brown
- Kiddle, Fred Butler (1874-)
- Kidger, Wilfred Charles (1893-)
- Kidson, James (1870-1931)
- Kiel, Friedrich (1821-1885)
- Kielb, Krystian (1971-)
- Kiel, Piet (1937-)
- Kielland, Olav (1901-1985)
- Kiemle, Hans Dieter (1939-)
- Kienzl, Dr Wilhelm (1857-1941)
- Kieserling, Richard (1873-1932)
- Kiesewetter, Peter (1945-)
- Kieviet, Paul (1961-)
- Kihlken, Henry Bernhard (1939-)
- Kikta, Valeri Grigorievitch (Валерий Григорьевич) (1941-)
- Kilgen & Sons, George
- Kilgour, Robert (1894-)
- Kilhan, Eric Arthur (1904-)
- Kilian, Ivan
- Killip, Charles Kingsley (1882-)
- Killmaster, F. G.
- Kilner, Thomas (c1814-1876)
- Kilpatrick, Jack Frederick (1915-1967)
- Kilvén, Carl Magnus (1957-)
- Kimball, Horace Estabrook (1839-1901)
- Kimball, James D. (1947-)
- Kimball & Co., W. W.
- Kimber-Allen Ltd.
- Kimmins, George James (c1862-)
- Kimstedt, C.
- Kincaid
- Kinch, Herman Henry (1868-)
- Kinder, Ralph (1876-1952)
- Kindermann, Johann Erasmus (1616-1655)
- Kindscher, Ludwig (1836-1875)
- Kinetic Company
- Kinetic Engineering Co.
- King, Dr Alfred (1837-1926)
- King, Alfred Thomas (1869-1952)
- King, Arthur M.
- King, Charles (1687-1748)
- King, Charles John (1859-1934)
- King, Charles Stuart (1889-)
- King, Corolus
- King, Edith
- King, Geoffrey (1949-)
- King, George (-1665)
- King, Gerald Edwin (1908-)
- King, Gordon (1938-)
- King, Harold Charles (1895-1984)
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- King, James Pulford (1874-1927)
- King, James Sykes (1881-)
- King, Larry Peyton (1932-1990)
- King, Oliver Arthur (1855-1923)
- King, Peter
- King, Robert (1913-1999)
- King, Wilfred (1911-)
- King, William (1624-1680)
- Kingdon, William Fortescue (1873-)
- Kinghorn, John Ritchie (1921-)
- Kingsbury, Chester H. (-1985)
- Kingsgate, Davidson & Co.
- Kingslake, Martin (1876-)
- Kingsley, Otto (1883-)
- Kingsley, Rutherford
- Kingston, John Noble (1924-)
- Kingston, Matthew (c1857-1930)
- Kingston, Norman Buckley (1901-)
- Kingston, Thomas
- Kingstone, Thomas
- Kingston-Rudd, Henry Reginald (1875-)
- Kington, Horace Vernon (1880-)
- Kinloch, Andrew McNaughton (1916-)
- Kinnear, John Wilson (1894-)
- Kinross, John K. (1848-1890)
- Kint, Cor (1890-1944)
- Kiørbye, Niels Jørgen
- Kipps, Arthur Edgar (1868-)
- Kipps, William John (1866-1938)
- Király, László (1954-)
- Király, Peter (1870-1940)
- Kirby, Albert (1869-)
- Kirby, Clarence Hastings (1869-)
- Kirby, John
- Kirby, William Edward (1877-)
- Kirby, William Henry (1892-)
- Kirby, William Raymend (c1858-)
- Kirchhoff, Gottfried (1685-1746)
- Kirchman, Jacob (-1778)
- Kirchner, Theodor Fürchtegott (1823-1903)
- Kirk, Alistair
- Kirk, Andrew
- Kirk, Andrew William
- Kirk, John Joseph (1881-)
- Kirkby, Robert
- Kirke, Leslie
- Kirkham, Harold Gibson (1904-)
- Kirkham, Herbert (1877-)
- Kirkland, Alfred (1851-1927)
- Kirkland, Derek Eyre (1900-)
- Kirkland & Bryceson
- Kirkland & Jardine
- Kirkman, Johann (-1799)
- Kirkpatrick, William James (1838-1921)
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Organist 
Organist & composer 
Composer 
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