| William Buckland | William Buckley | William Buller |
| William Bunge | William Burck | William Burges |
| William Burns | William Burnside | William Burroughs |
| William Busch | William Butler Yeats | William Byam |
| William Byrd | William Byrd II | William Byron |
| William C. Campbell | William C. Campbell (biochemicus) | William C. Campbell (golfer) |
| William C. Campbell (wetenschapper) | William C. Fownes | William C. Lee |
| William C. McCool | William Cadogan | William Cagney |
| William Calley | William Calvin | William Campbell |
| William Campbell (acteur) | William Carey | William Carl Buchan |
| William Carlos Williams | William Carr | William Carr (roeier) |
| William Carvalho | William Casey | William Caslon |
| William Castro | William Cavendish | William Cavendish (1592-1676) |
| William Cavendish (1593-1676) | William Cavendish (1720-1764) | William Cavendish (1748-1811) |
| William Cavendish (4e Graaf van Devonshire) | William Cavendish (5e Graaf van Devonshire) | William Cavendish, 4e Graaf van Devonshire |
| William Cavendish, 4e hertog van Devonshire | William Cavendish, 4th Duke of Devonshire | William Cavendish, 5e Graaf van Devonshire |
| William Cavendish, 5e graaf van Devonshire | William Cavendish, 5e hertog van Devonshire | William Cavendish-Bentinck |
| William Caxton | William Cecil | William Cecil (1520-1598) |
| William Cecil (1e baron Burghley) | William Cecil (Baron Burghley) | William Cecil, 1e baron Burghley |
| William Cepeda | William Chaloner | William Chapman Hewitson |
| William Charles Aalsmeer | William Charles de la Try Ellis | William Charles Linnaeus Martin |
| William Chen | William Cheruiyot | William Cheruiyot Kipkirui |
| William Chester Jordan | William Chester Minor | William Chiarello |
| William Childs Westmoreland | William Chirchir | William Christie |
| William Christie (astronoom) | William Christie (musicus) | William Christopher |
| William Christopher Handy | William Clark | William Clark (ontdekkingsreiziger) |
| William Clark Gable | William Clarke | William Clarke Wontner |
| William Cliff | William Coales | William Cockayne |
| William Cockburn | William Cockerill | William Cohen |
| William Colby | William Cole Stockley | William Coley |
| William Collier jr | William Collier jr. | William Colling Lukis |
| William Collings Lukis | William Collins | William Collins (dichter) |
| William Collins (personage) | William Collins (Pride and Prejudice) | William Collins (schilder) |
| William Collum | William Congreve | William Congreve (schrijver) |
| William Conrad | William Conybeare | William Coolidge |
| William Cooper | William Cooper (zeiler) | William Coors |
| William Copeland | William Corbett | William Cormac |
| William Cornish | William Cornysh | William Courtenay |
| William Courtenay (aartsbisschop) | William Cowlishaw | William Cowper |
| William Cramp and Sons | William Croft | William Crookes |
| William Cruikshank | William Cullen Bryant | William Cunningham |
| William Cunningham (econoom) | William Curtis | William Curtis Brangwyn |
| William Cuthbert Faulkner | William D'Amico | William D. Coleman |
| William D. Phillips | William D. Revelli | William D. Revelli Composition Contest |
| William Dafoe | William Daley | William Dally |
| William Dalrymple | William Dampier | William Daniel Conybeare |
| William Daniel Hillis | William Daniel Phillips | William Daniels |
| William Davenant | William David Coleman | William David Coolidge |
| William David Moylan | William Davidson | William Davidson (Schotse handelaar) |
| William Davies Evans | William Day | William De Amorim |
| William de Asevedo Furtado | William de Brailes | William De Groote |
| William De Hart Hubbard | William de Jesús Palacio | William de Jesús Palacio Navarro |
| William de la Pole | William De Smet | William de Veroveraar |
| William de Wiveleslie Abney | William Dean Howells | William Deedes |
| William Defraigne | William Degouve de Nuncques | William DeHart Hubbard |
| William Deming | William DeMott | William den Boer |
| William den boer | William Dennison | William Dennison jr. |
| William Desborough Cooley | William Desmond Taylor | William Devane |
| William DeVaughn | William Dickson | William Diederich Kuik |
| William Diehl | William Dieterle | William Diller Matthew |
| William Dod | William Doherty | William Donald Hamilton |
| William Donald Revelli | William Donald Schaefer | William Donne |
| William Donovan | William Doran | William Draper |
| William DuBois | William Duddell | William Dumazy |
| William Dunbar | William Dunker | William Dunlap |
| William Durant | William Dutoit | William Dutton |
| William Dwight McCaughey | William Dyce | William E. Buchan |
| William E. Kero | William E. Rhoads | William E. Schevill |
| William E.M. Pettee | William Eagle Clarke | William Earl Buchan |
| William Earl Johns | William Earl Rhoads | William Easterly |
| William Edmond Logan | William Edmund Ironside | William Edward Ayrton |
| William Edward Boeing | William Edward Burghardt Du Bois | William Edward Hartpole Lecky |
| William Edward Norton | William Edward Parry | William Edward Shuckard |
| William Edwards Deming | William Edwin Brooks | William Egger |
| William Eggleston | William Elford Leach | William Elgin Swinton |
| William Ellery Channing | William Ellery Channing (1818-1901) | William Elliott |
| William Ellis | William Emanuël Juglall | William Emanuel Juglall |
| William Erskine | William Erskine, baronet van Torry | William Esposo |
| William Etty | William Eustis | William Eustis (schip) |
| William Eustis (schip, 1943) | William Evans | William Evans (basketbalspeler) |
| William Evenden | William Ewart Gladstone | William Exshaw |
| William Ezell | William F. Buckley | William F. Buckley jr. |
| William F. Buckley Jr. | William F. Buckley, Jr. | William F. Hamilton |
| William F. Kretschmer | William F. Nolan | William F. Santelmann |
| William Faes | William Falconer | William Falkner |
| William Farnum | William Farquhar | William Farrar Smith |
| William Faulkner | William Feller | William Ferguson |
| William Fessenden | William Few | William Feys |
| William Fichtner | William Fields | William Finley |
| William Fischer | William Fisher | William Fisher (admiraal) |
| William Fisher (ruimtevaarder) | William Fitton | William Fitzgerald Harper |
| William Flinders Petrie | William Fly | William Ford Gibson |
| William Forsell Kirby | William Forster Lloyd | William Forsyth Sharpe |
| William Forsythe | William Forsythe (acteur) | William Forsythe (danser) |
| William Foster | William Foster (zwemmer) | William Fothergill Cooke |
| William Foulke | William Fowler | William Fox |
| William Fox (filmproducent) | William Fox (producer) | William Fox Talbot |
| William Francis Giauque | William Francis Kynaston Thompson | William Francis McBeth |
| William Frank Newton | William Frankena | William Franklin Lee III |
| William Franklyn-Miller | William Frawley | William Frederic Edwards |
