Waddle, P. Kellach (1967-)
Wagenaar, Johan (1862-1941)
Wagenseil, Georg Christoph (1715-1777)
Wager, Gregg (1958-)
Wagner, Richard (1813-1883)
Wallace, William (1860-1940)
Wallin, Rolf (1957-)
Walton, William (1902-1983)
Warlock, Peter (1894-1930)
Warren, Elinor Remick (1900-1991)
van Wassenaer, Unico Wilhelm (1692-1766)
Watson, Stephen (1955-)
von Weber, Carl Maria (1786-1826)
Webern, Anton (1883-1945)
Webster-Garman, William (1954-)
Weelkes, Thomas (1576-1623)
Weigl, Karl (1882-1949)
Weill, Kurt (1900-1950)
Weinzweig, John (1913-)
Weiss, Sylvius Leopold (1686-1750)
Welmers, Jan (1937-)
de Wert, Giaches (1535-1596)
Wesley, Samuel (1766-1837)
Weyrauch, Johannes (1897-1977)
Widor, Charles Marie (1844-1937)
Wielakker, Gerhard (1942-)
Wieniawski, Henri (1835-1880)
Wieruszowski, Lili (1899-)
Wilberg, Mack (1955-)
Willaert, Adriaan (appr. 1490-1562)
Willan, Healey (1880-1968)
Williams, Adrian (1956-)
Williams, John (Towner) (1932-)
Wilson, Richard (1941-)
Wislocki, Stanislaw Michal (1921-1998)
Witherspoon, Jordan Charles (1986-)
van de Woestijne, David (1915-1979)
Wolf, Hanns (1894-1968)
Wolf, Hugo (1860-1903)
Wolf-Ferrari, Ermanno (1876-1948)
Wolfe, Julia (1958-)
von Wolkenstein, Oswald (appr. 1377-1445)
Worp, Johannes (1821-1891)
Wright, Mary C. (1960-)
Wuorinen, Charles (1938-)

Xenakis, Iannis (1922-)

Yi, ManBang (-)
Yon, Pietro (1886-1943)
Ysaye, Eugene (1858-1931)
Yun, Isang (1917-1995)

Z

Zalba Ibanez, Martin (1958-)
Zappa, Frank (1940-1993)
Zeisl, Eric(h) (1905-1959)
Zelenka, Johann (Jan) Dismas (1679-1745)
Zeller, Karl (1842-1898)
Zelter, Karl Friedrich (1758-1832)
von Zemlinsky, Alexander (1871-1942)
Zhurbin, Lev (1978-)
Ziehrer, Carl Michael (1843-1922)
von Zieritz, Grete (1898-)
Zimmermann, Bernd Alois (1918-1970)
Zimmermann, Udo (1943-)
Zingarelli, Nicola Antonio (1752-1837)
Zipoli, Domenico (1688-1726)
Zuccante, Mauro (1962-)
Zwart, Jan (-1937)
Zwart, Willem Hendrik (1925-1997)
Zweers, Bernard (1854-1924)