| William Chambers | William Chambers (arkitekt) | William Chambers (förläggare) |
| William Chapman Hewitson | William Charles Augustus Cavendish-Bentinck | William Charles Cole Claiborne |
| William Charles Mark Kent | William Charles Redfield | William Charles Ross |
| William Charles Wells | William Charles Wentworth | William Chase |
| William Chatterton Dix | William Chauvenet | William Cheselden |
| William Chester Minor | William Chillingworth | William Chittick |
| William Christensen | William Christie | William Christie (astronom) |
| William Christopher | William Christopher Handy | William Christopher Zeise |
| William Claflin | William Clark | William Clark (längdåkare) |
| William Clark (Längdåkare) | William Clark (präst) | William Clark (upptäcktsresande) |
| William Clark (upptäktsresande) | William Clarke Wontner | William Clarkson Stanfield |
| William Claude Dukenfield | William Clausen | William Clauson |
| William clauson | William Clay Ford, Jr. | William Clay Ford, Sr. |
| William Clayton Anderson | William Cliff | William Clifford |
| William Clinton | William Clive Bridgeman | William Clothier |
| William Cobbett | William Cochrane | William Cockburn |
| William Cocke | William Cody | William Cohen |
| William Cole | William Coleman | William Coles |
| William Collazo | William Collins | William Collins (konstnär) |
| William Collins (poet) | William Collins Whitney | William Collum |
| William Colt MacDonald | William Colvin | William Compton |
| William Comstock | William Comyns Beaumont | William Conant Church |
| William Condon | William Congreve | William Congreve (olika betydelser) |
| William Congreve (uppfinnare) | William Congreve, 2:e baronet | William Conrad |
| William Conton | William Conybeare | William Conyngham Greene |
| William Conyngham Plunket | William Conyngham Plunket, 1:e baron Plunket | William Cooke |
| William Coolidge | William Corlett | William Cornwallis |
| William Coucheron-Aamot | William Courtenay | William Courtney |
| William Cowper | William Cowper (författare) | William Cowper (kirurg) |
| William Cowper, 1:e earl Cowper | William Cowper, 1:e Earl Cowper | William Cox Bennett |
| William Coxe | William Crafoord | William Craigie |
| William Cranch Bond | William Crapo Durant | William Craven |
| William Craven, 1:e earl av Craven | William Craven, 1:e earl av Craven (1608-1697) | William Craven, 1:e earl av Craven (1608–1697) |
| William Craven, 1:e earl av Craven (1770-1825) | William Craven, 1:e earl av Craven (1770–1825) | William Craven, 6:e baron Craven |
| William Crawford | William Crawford Gorgas | William Crawford Sherrod |
| William Crawford Williamson | William Creek Airport | William Crichton |
| William Croft | William Crookes | William Crosby Dawson |
| William Crotch | William Crowley | William Crowther |
| William Cullen | William Cullen Bryant | William Cumback |
| William Cunningham | William Cunnington | William Cureton |
| William Curtis | William Cushing | William Cuthbertson |
| William Cuylle | William D Hamilton | William D Phillips |
| William D'Amico | William D'Avenant | William D. Bloxham |
| William D. Brewer | William D. Coleman | William D. Coolidge |
| William D. Denney | William D. Hamilton | William D. Haywood |
| William D. Hoard | William D. Jelks | William D. Mitchell |
| William D. Nordhaus | William D. Phillips | William D. Washburn |
| William D. Whitney | William D. Williamson | William Dahl |
| William Daley | William Dally | William Dalrymple |
| William Dampier | William Daniel Brayton | William Daniel Conybeare |
| William Daniels | William Danvers Smith, 2:e viscount Hambleden | William Dargan |
| William Davenant | William David Coolidge | William David Ross |
| William Davison | William Dawbney Nordhaus | William de Asevedo Furtado |
| William De Bois Maclaren | William de Douglas | William de la Pole |
| William de la Pole, 1:e hertig av Suffolk | William de la Pole, 1:e hertigen av Suffolk | William de la Pole, hertig av Suffolk |
| William De Morgan | William de Wiveleslie Abney | William Dean |
| William Dean Howells | William Deane | William DeHart Hubbard |
| William Delafield Arnold | William Demarest | William Dembski |
| William Demchak | William den tysta | William Denison |
| William Denney | William Dennison | William Dennison Stephens |
| William Desmond Taylor | William Devane | William Dieterle |
| William Digby | William Diller Matthew | William Dobbie |
| William Doberck | William Dobson | William Dod |
| William Dodd | William Dodge | William Donald Hamilton |
| William Donald Schaefer | William Dorsey Swann | William Douglas |
| William Douglas, 1:e earl av Douglas | William Douglas, 1:e hertig av Queensberry | William Douglas, 1:e markis av Queensberry |
| William Douglas, 4:e hertig av Queensberry | William Douglas, 8:e earl av Douglas | William Douglas, lord av Douglas |
| William Douglas-Hamilton | William Douglas-Hamilton, 11:e hertig av Hamilton | William Douglas-Hamilton, 12:e hertig av Hamilton |
| William Douglas-Home | William Dowling Bostock | William Dozier |
| William Dray | William Droegemueller | William Droegemuller |
| William Drogo Montagu, 7:e hertig av Manchester | William Drummond | William Drummond av Hawthornden |
| William Duddell | William Dufour | William Dugdale |
| William Duhurst Merrick | William Dunlap Simpson | William Dunlop |
| William Dunn Moseley | William Dunnington Bloxham | William Durant |
| William Duval | William DuVall | William Dwight Whitney |
| William Dyce | William E. Cameron | William E. Chandler |
| William E. Chilton | William E. Crow | William E. DeGarthe Memorial Provincial Park |
| William E. Duellman | William E. English | William E. Glasscock |
| William E. Hull | William E. Jenner | William E. Johnson |
| William E. Mason | William E. Miller | William E. Moerner |
| William E. Purcell | William E. Simon | William E. Smith |
| William E. Stanley | William E. Stein | William E. Stevenson |
| William E. Thornton | William E. Upjohn | William E. Williams |
| William Earl Buchan | William Earl Johns | William Eastin English |
| William Eden | William Eden, 1:e baron Auckland | William Edgar Borah |
| William Edgar Hull | William Edgar Thornton | William Edmond Logan |
| William Edmondstoune Aytoun | William Edmund Goodenough | William Edmund Ironside |
| William Edmunds | William Edvard Bloch | William Edward Abbott |
| William Edward Ayrton | William Edward Böing | William Edward Boeing |
| William Edward Burghardt Du Bois | William Edward Duellman | William Edward Forster |
| William Edward Gladstone | William Edward Hartpole Lecky | William Edward Parry |
| William Edward Simon | William Edwards Deming | William Eggleston |
| William Eitel | William Eklund | William Elford Leach |
| William Ellerly Channing (poet) | William Ellery Channing | William Ellery Channing (poet) |
| William Ellery Sweet | William Ellis | William Elovson |
| William Elphinstone | William Elwin Oliphant | William Elza Williams |
| William Emanuel Huddleston | William Emerson | William Emerson Brock |
| William Emil Sørensen | William Engelbrecht | William Engeström |
| William Eric Viking Hahne | William Ernest Henley | William Ernest Mason |
| William Eskelinen | William Etty | William Eubank |
