| William Gregor | William Gregory | William Gregory Lee |
| William Grenfell | William Grenville, I barone Grenville | William Grey Walter |
| William Griffin Jr. | William Griffith | William Grigahcine |
| William Grocyn | William Gros | William Groseclose |
| William Grosvenor Congdon | William Grove | William Grover-Williams |
| William Grundy | William Grut | William Gualbert Saunders |
| William Guarnere | William Guerra | William Guest |
| William Guglielmo Carter | William Gull | William Gustavo |
| William Gustavo Constâncio | William Guténius | William Gutenius |
| William Gutiérrez | William Gutierrez | William Guy Carr |
| William H. Burns | William H. Cabell | William H. Clifford |
| William H. Crane | William H. Crawford | William H. Daniels |
| William H. Gass | William H. H. Miller | William H. Hallahan |
| William H. Harrison | William H. Hastie | William H. Hunt |
| William H. Inmon | William H. Macy | William H. Marshall |
| William H. McNeill | William H. McRaven | William H. Moody |
| William H. Parker | William H. Pitsenbarger | William H. Prescott |
| William H. R. Rivers | William H. Reynolds | William H. Rupertus |
| William H. Ryan | William H. Seward | William H. Simpson |
| William H. Stein | William H. Upham | William H. Watson |
| William H. Webster | William H. Wickham | William H. Willson |
| William H. Yale | William H. Ziegler | William H.H. Miller |
| William Haddock | William Hague | William Hague, barone Hague di Richmond |
| William Haines | William Haislip Squier | William Hajt |
| William Hal Ashby | William Hale | William Hale (inventore) |
| William Hale (regista) | William Hale White | William Hall Bush |
| William Hall Jr. | William Hall Macy | William Hall Yale |
| William Hallock Park | William Hallowes Miller | William Halpenny |
| William Halse Rivers | William Halse Rivers Rivers | William Halsey |
| William Hamilton | William Hamilton (1811-1863) | William Hamilton (atleta) |
| William Hamilton (calciatore) | William Hamilton (diplomatico) | William Hamilton (filosofo) |
| William Hamilton (metafisico) | William Hamilton (montatore) | William Hamilton (pittore) |
| William Hamilton, II duca di Hamilton | William Hamilton, XI duca di Hamilton | William Hammond |
| William Hammond (ciclista) | William Hamo Thornycroft | William Hanna |
| William Hansson | William Hapac | William Happer |
| William Harcourt | William Harcourt, III conte Harcourt | William Hardling Anderson |
| William Hardy McNeill | William Hare | William Harkleroad |
| William Harold Hutt | William Harold Pease | William Harold Ponsford |
| William Harold Terry | William Harper | William Harper Carter |
| William Harridge | William Harris | William Harris (nuotatore) |
| William Harris Crawford | William Harrison | William Harrison (scrittore) |
| William Harrison Ainsworth | William Harrison Bonney | William Harrison Clanton |
| William Harrison Dempsey | William Harrison Dillard | William Harrison Frist |
| William Harrison Hays | William Harry McGarry | William Harry McRaven |
| William Hart | William Hartmann | William Hartnell |
| William Hartston | William Hartwig | William Harvell |
| William Harvey | William Hastings | William Hastings, I barone Hastings |
| William Hatcher | William Hauber | William Hauptman |
| William Havelock | William Hawi | William Hawley Bowlus |
| William Hawte | William Hay Macnaghten | William Hay, XVIII conte di Erroll |
| William Haydon Burns | William Hayman Cummings | William Haywood |
| William Hazlitt | William Healey Dall | William Heard Kilpatrick |
| William Hearst | William Heath Robinson | William Heberden |
| William Hedgcock Webster | William Heinesen | William Heirens |
| William Heise | William Henderson | William Hendrick Foster |
| William Heneage Legge | William Heneage Ogilvie | William Henley |
| William Hennessy | William Henrique | William Henry |
| William Henry (attore) | William Henry (chimico) | William Henry (nuotatore) |
| William Henry Bacon | William Henry Barlow | William Henry Bartlett |
| William Henry Beveridge | William Henry Bradley | William Henry Bragg |
| William Henry Burt | William Henry Cabell | William Henry Cavendish-Bentinck |
| William Henry Cavendish-Bentinck, III duca di Portland | William Henry Chamberlin | William Henry Conley |
| William Henry Dean | William Henry Drummond | William Henry Edgcumbe |
| William Henry Elder | William Henry Ewart Gott | William Henry Finlay |
| William Henry Fitzhugh Lee | William Henry Foulke | William Henry Fox Talbot |
| William Henry Gates III | William Henry Giles Kingston | William Henry Gladstone |
| William Henry Grenfell | William Henry Hanzlik | William Henry Harrison |
| William Henry Harrison Miller | William Henry Hartnell | William Henry Harvey |
| William Henry Hudson | William Henry Hunt | William Henry Hunt (politico) |
| William Henry Ireland | William Henry Irwin | William Henry Jackson |
| William Henry Jones' Courtship | William Henry Joseph Bonaparte Bertholoff Smith | William Henry Junior Perkin |
| William Henry Keeler | William Henry Krause Pollock | William Henry Kruskal |
| William Henry Lyttelton | William Henry Mackinnon | William Henry Mahoney Christie |
| William Henry Mayfield | William Henry Meredith | William Henry Miller |
| William Henry Miller (architetto) | William Henry Moody | William Henry Moore |
| William Henry Nieder | William Henry O'Connell | William Henry Olds |
| William Henry Parker | William Henry Parker III | William Henry Peregrine Carington |
| William Henry Perkin | William Henry Perkin, Jr. | William Henry Phelps |
| William Henry Phelps jr | William Henry Phelps Jr. | William Henry Pickering |
| William Henry Playfair | William Henry Power | William Henry Purnell Blandy |
| William Henry Reed | William Henry Rupertus | William Henry Scott Cavendish-Bentinck |
| William Henry Seward | William Henry Smith | William Henry Smyth |
| William Henry Sykes | William Henry Thompson | William Henry Tritschler |
| William Henry Upham | William Henry Vanderbilt | William Henry Waddington |
| William Henry Walker | William Henry Welch | William Henry Weldon |
| William Henry West Betty | William Henry Young | William Herald |
| William Herbert | William Herbert (1696-1757) | William Herbert Dray |
| William Herbert Droegemueller | William Herbert Sheldon | William Herbert, I conte di Pembroke |
| William Herbert, I marchese di Powis | William Herbert, II marchese di Powis | William Herbert, III conte di Pembroke |
| William Herbert, terzo conte di Pembroke | William Hermann Horschke | William Herschel |
| William Herschel (disambigua) | William Herschel Telescope | William Herzog |
| William Hesmer | William Hewitt | William Hewlett |
| William Hewson | William Heytesbury | William Hickey |
| William Hickley Gross | William Hickling Prescott | William Hicks |
| William Hicks (disambigua) | William Hicok | William Higgins |
| William Higinbotham | William Hill | William Hillcourt |
| William Hillebrand | William Hillman | William Hirigoyen |
| William Hirons | William Hjortsberg | William Hoare |
| William Hobbs | William Hobson | William Hobson Mills |
| William Hodges Mann | William Hodgson Stuart | William Hogarth |
