- William Hurt
- William Hut
- William Inglott
- William Ingosi Mwoshi
- William Ingosi Mwoshi
- William Ingrid
- William Ingrid
- William Ivey Long
- William J. Barber II
- William J. Bergman & Andrew Kastner
- William J. Cranny
- William J. Gaither
- William J. Gaither
- William J. Kirkpatrick
- William J. Mullaly
- William J. Seymour
- William Jackson
- William Jackson & Radical Praise
- William Jackson & The Scottish
- William Jackson Young
- William Jacob Morgan
- William Jacob Morgan
- William James Adams Jr.
- William James Edwards Lee III
- William James Kirkpatrick
- William James Ross
- William Janiak
- William Jay Smith
- William Jeffrey
- William Jennings Bryan
- William Jessup University Alumni & Community Choir
- William Jimenez
- William Johann Rodriguez
- William Johansson
- William John Meng
- William Johnson
- William Johnson
- William Johnson
- William Johnstone
- William Joseph
- William Joseph Watkins
- William Joyner
- William 'JuJu' House
- William June Brown
- William K. "Billy" Hadnott
- William Kahakalau
- William Kane
- William Kanengiser
- William Kapell
- William Katt
- William Katt
- William Katz
- William Kealoha
- William Keihn
- William Kendall
- William Kendall
- William Kennedy
- William Kent
- William Kersten
- William Kersten
- William Kiernan Presents
- William Kimber
- William Kincaid
- William King
- William King
- William Kirkley
- William Kirkwood
- William Kleinsasser
- William Klymus
- William Knight
- William Koomsa, Sr.
- William Kouam Djoko
- William Kraft