- Wade, John Francis
- Wagner, Richard
- Walhain, Étienne
- Wallace, Naomi
- Wallin, Rolf
- Walsh, Eileen
- Walsh, Tom
- Walter, Jimmy
- Wang, Huizi
- Wang, Jian
- Wang, Teresa
- Wang, Xin
- Wapiti
- Waring, Jennifer
- Warren, Eryk
- Warrington, Janet
- Warsaw-Fan, Arianna
- Warszyński, Mikołaj
- Warszynski Trio
- Watkins, Siôned
- Watson, Katherine
- Webern, Anton
- Webster
- Wedd, Patrick
- Wedekind, Frank
- Wei, Wu
- Weidner, Bernard
- Weill, Kurt
- Weingartner, Eleanor
- Weinstein, Arnold
- Weinzweig, John
- Weir, Judith
- Welin, Karl-Erik
- Wert, Giaches de
- Westerlinck, Wilfried
- Wheaton-Dudley, Sonia
- Whitacre, Eric
- Whitesell, Lloyd
- Widner, Paul
- Widor, Charles-Marie
- Wieser, Ellen
- Wietheger, Dirk
- Wikswo, Quintan Ana
- Wild, Jon
- Willaert, Adriaan
- Williams, Vicky
- Williamson, Gordon
- Willkie, Angélique
- Windha, I Nyoman
- Winiarz, John
- Winnipeg Symphony Orchestra
- Wolf, Hugo
- Wolfe, Julia
- Wolff, Christian
- Wolpe, Stefan
- Woodley, Jacqueline
- Woodmass, Rebecca
- Woodruff, Paul
- Wyatt, Aaron
- Wyre, John
- Wyschnegradsky, Ivan
- Wyttenbach, Jürg
