| William Chambers | William Chambers (architetto) | William Chambers (politico) |
| William Chambers, Joseph Wilton, Joshua Reynolds | William Champion | William Chandler Roberts-Austen |
| William Chang | William Chang Suk Ping | William Chang Suk-ping |
| William Chann McRae | William Chapman Hewitson | William Chappell |
| William Charles Athersmith | William Charles Ayers | William Charles DeMott II |
| William Charles Fitch | William Charles Hay | William Charles Linnaeus Martin |
| William Charles Littlejohn | William Charles Lunalilo | William Charles Macready |
| William Charles Marshall | William Charles Renshaw | William Charles Ross |
| William Charles Skurla | William Charles Williams | William Charles Wurtenburg |
| William Chase Daniel | William Chatterton Dix | William Chauvenet |
| William Chester Minor | William Cheung | William Cheyne |
| William Chidi Njoku | William Child-Villiers | William Child-Villiers, X conte di Jersey |
| William Childs Westmoreland | William Ching | William Chip Banks |
| William Chiroque | William Chiroque Medardo | William Chmielewski |
| William Cholmondeley | William Cholmondeley, III marchese di Cholmondeley | William Christian |
| William Christian Boeving | William Christian Bullitt | William Christian Bullitt Jr. |
| William Christie | William Christie (astronomo) | William Christopher Bruin |
| William Christopher Handy | William Christopher Pakenham | William Christopher Swinney |
| William Christopher Zeise | William Christy Cabanne | William Chrystie Miller |
| William Churchill de Mille | William Clarence Eckstine | William Clarence Sarpalius |
| William Clark | William Clark (arciere) | William Clark Gable |
| William Clark Styron | William Clarke | William Clarke Hinkle |
| William Clarke Quantrill | William Claude Rains | William Claxton |
| William Clay Matthews III | William Claye | William Clayton |
| William Clayton (funzionario) | William Clayton (mormone) | William Clayton (personaggio) |
| William Clayton (presbitero) | William Cleary | William Clegg |
| William Cleite Boaventura | William Cleland | William Clem |
| William Clemens | William Cliff | William Clifford |
| William Clifford (attore) | William Clifford Musselman | William Clintard Robinzine |
| William Clinton | William Clinton Clark | William Clothier |
| William Clyde Elliott | William Coales | William Cobb |
| William Cobbett | William Cobbold | William Coblentz |
| William Cochrane | William Cochrane, I conte di Dundonald | William Cockburn |
| William Codling | William Cohen | William Colby |
| William Coldingham Masters Nicholson | William Coleman | William Collazo |
| William Collier | William Collier (attore 1866) | William Collier (attore 1902) |
| William Collier Jr. | William Collier Sr. | William Collins |
| William Collins Whitney | William Collum | William Coltman |
| William Colton Shires | William Compton | William Compton, I conte di Northampton |
| William Compton, IV marchese di Northampton | William Compton, V marchese di Northampton | William Condon |
| William Congdon | William Congreve | William Congreve (inventore) |
| William Congreve (scrittore) | William Conklin | William Connolly |
| William Connor | William Connor (ginnasta) | William Conrad |
| William Conrad Koch | William Conti | William Cook |
| William Cook Group | William Cooper | William Cordeiro Melo |
| William Corkine | William Cornwallis | William Cornwallis Harris |
| William Cornysh | William Cornysh (1430-1502) | William Cornysh (1465-1523) |
| William Correa | William Cosentini | William Costes |
| William Cotton (inventore) | William Cotton Oswell | William Cottrell |
| William Cottrill | William Courtenay | William Courtenay (arcivescovo) |
| William Courtenay, I conte di Devon | William Courtenay, II conte di Devon | William Courtenay, IX conte di Devon |
| William Courtenay, VII conte di Devon | William Courtenay, VIII conte di Devon | William Coutts Keppel |
| William Coventry, V conte di Coventry | William Cowhig | William Cowper |
| William Cowper (attore) | William Cox | William Cox (atleta) |
| William Craft | William Cragh | William Craig |
| William Craig Moore | William Cranch Bond | William Crapo Durant |
| William Crary Brownell | William Craven | William Craven, I conte di Craven |
| William Craven, II conte di Craven | William Craven, IV conte di Craven | William Craven, VI barone Craven |
| William Crawford Gorgas | William Crawford Williamson | William Criss |
| William Cristopher Handy | William Croft | William Crookes |
| William Crookshanks | William Crothers | William Crowley |
| William Crowninshield Endicott | William Cruickshank | William Culbertson III |
| William Cullen | William Cullen (giudice) | William Cullen Bryant |
| William Cumberland Cruikshank | William Cunningham | William Cunningham (cestista) |
| William Cunningham (economista) | William Cunningham (teologo) | William Cureton |
| William Curry Keller | William Curtis | William Curtis Chase |
| William Cushing | William Cuthbert Faulkner | William Cuthbertson |
| William D'Altri | William D'Amico | William d'Amico |
| William d'Aubigny | William d'Aubigny (Brito) | William d'Aubigny (disambigua) |
| William d'Aubigny (Pincerna) | William d'Aubigny, I conte di Arundel | William d'Aubigny, II conte di Arundel |
| William d'Aubigny, III conte di Arundel | William d'Aubigny, IV conte di Arundel | William D'Avenant |
| William D. Bloxham | William D. Byron | William D. Coolidge |
| William D. Davies | William D. Ford | William D. Foster |
| William D. Hoard | William D. Leahy | William D. Mitchell |
| William D. Moseley | William D. Mounce | William D. Phillips |
| William D. Russell | William D. Taylor | William Da Corean Hatcher |
| William da Silva Barbosa | William Da Silva Barbosa | William Dale Wall |
| William Dalen Clyburn | William Daley | William Dalrymple |
| William Dalton | William Dampier | William Danforth Mulliken |
| William Daniel Frawley | William Daniel Hillis | William Daniel Leahy |
| William Daniel McCafferty | William Daniel Phillips | William Daniel Sanders |
| William Daniels | William Danielsen | William Dar |
| William Darby | William Darling | William Dartmouth |
| William Davenant | William David Charles Carling | William David Christian |
| William David Conn | William David Coolidge | William David Daniels |
| William David Davies | William David Ford | William David Forsyth |
| William David Gould | William David Ivy | William David Johnson |
| William David Lindsay Ride | William David McCalden | William David Ross |
| William David Trimble | William Davidson | William Davies |
| William Davies (sceneggiatore) | William Davies Evans | William Davis |
| William Davis (artista) | William Dawbney Nordhaus | William Dawes |
| William Day | William Dazzani | William de Albini |
| William de Albini IV | William De Amorim | William De Angelis |
| William de Asevedo Furtado | William de Beauchamp | William de Beauchamp, IX conte di Warwick |
| William de Beaumont | William de Beaumont, III conte di Warwick | William de Brailes |
| William de Corbeil | William de la Pole | William de la Pole, I duca di Suffolk |
| William de Moraes | William De Moraes | William de Ros |
| William de Ros, II barone de Ros | William de Saint Calais | William de Saint-Calais |
| William de Soules | William de Ufford | William de Ufford, II conte di Suffolk |
| William de Valence | William de Valence, I conte di Pembroke | William De Vecchis |
