| William Cloutier |
| William Coase |
| William Coates |
| William Coelho |
| William Control |
| William Corduroy |
| William Coulter |
| William Couto e Adriano |
| William Creager |
| William Creamer |
| William Crighton |
| William Crooks |
| William Cups |
| William Da Silva |
| William Daniels |
| William Danze |
| William David Fastenow |
| William David Fastenow Jazz Orchestra |
| William Dee |
| William Dejesus |
| William Del Norte |
| William Demps |
| William Deslaurierss |
| William DeVaughan |
| William DeVaughn |
| William Devonshire |
| William Dion |
| William Dowdall |
| William Downey |
| William Downs |
| William Doyle |
| William Duke |
| William Dusan |
| William e Bidiko |
| William Earl |
| William Eckerleben |
| William Ekh |
| William Elliot |
| William Elliott Hinson |
| William Elliott Whitmore |
| William Ello |
| William Ellwood |
| William Elvin |
| William Engel |
| William Evans |
| William Eythe |
| William Ezby |
| William F. Gibbs |
| William F. Gregory |
| William Felder |
| William Felix |
| William Finch |
| William Finn |
| William Fitzsimmons |
| William Fluker |
| William Galison |
| William Gamborg |
| William Garrett |
| William Gaxton |
| William Goldstein |
| William Gomes |
| William Gonzalez |
| William Goodchild |
| William Gottesmann |
| William GQ |
| William Grant |
| William Grey |
| William Gyrald |
| William H. Powers |
| William H. Reitz |
| William Harper |
| William Harris |
| William Hart |
| William Hawk |
| William Hawksworth |
| William Henderson |
| William Henries |
| William Heri |
| William Hicks |
| William Hinson |
| William Holk |
| William Hooley |
| William Hornby |
| William Houston |
| William Hung |
| William Hunter |
| William Hut |
| William Hyde |
| William Hyde Jr. |
| William Ifeanyi Moore |
| William Imler |
| William Inda |
| William Is |
| William Issac Bennet |
| William J Oberg |
| William J. London |
| William Jackalope |
| William Jansen |
| William Jimenez |
| William Joseph |
