- William Guest
- William Gutierrez
- William H
- William H. Graham
- William H. Harris
- William H. Monk
- William H. Murphy, III
- William H. Reitz
- William H. Scheide
- William H. Thompson
- William Hague
- William Hall
- William Halliday
- William Handy
- William Hanford Lee Jr.
- William Hanna and Joseph Barbera
- William Hannah
- William Hanrahan
- William Hanranhan
- William Hardy Jr.
- William Harper
- William Harris
- William Harrison
- William Hart
- William Hart Strecker
- William Hawk
- William Hawkins
- William Hawley
- William Hebert
- William Hedhli
- William Heiles
- William Heim
- William Helmore
- William Henderson
- William Henderson
- William Henderson
- William Henry Bell
- William Henry Fry
- William Henry Harris
- William Henry Monk
- William Henry Monk
- William Henry Squire
- William Henshall
- William Herremy
- William Herriott
- William Herriott
- William Hill
- William Hill-Bowen
- William Hite
- William Holden
- William Holford
- William Hollah
- William Holland
- William Holly
- William Holmes
- William Honda
- William Hooker
- William Hooley
- William Hooper Coleman
- William Hootkins
- William Hope
- William Horncloud
- William Horsley
- William Hoshal
- William Houston
- William Howard Doane, Frithjof Tomusch
- William Howard Taft
- William Howell
- William Howse
- William Huckaby
- William Hung
- William Hunt
- William Hunter
- William Hurlstone