| William Axt | William Ayache | William Ayres Ward |
| William à Court, I barone Heytesbury | William B. Bulloch | William B. Davidson |
| William B. Davis | William B. Eerdmans | William B. Eerdmans Publishing Company |
| William B. Franke | William B. Hazen | William B. Helmreich |
| William B. Lenoir | William B. Mason | William B. Rosson |
| William B. Saxbe | William B. Strong | William B. Travis |
| William Babcock Hazen | William Babell | William Backhouse Astor |
| William Backhouse Astor, Jr. | William Backhouse Astor, Sr. | William Baeten |
| William Baffin | William Bagot | William Bagot, I barone Bagot |
| William Bagot, II barone Bagot | William Bagot, III barone Bagot | William Bagwell |
| William Bailey | William Baines | William Baird |
| William Baird (calciatore 1874) | William Baker | William Bakewell |
| William Bakewell (attore) | William Bakewell (marinaio) | William Baldry Tammas |
| William Baldwin | William Balikwisha | William Baliol Brett |
| William Ball | William Ball (astronomo) | William Ballard Hurd |
| William Ballard Preston | William Ballinger | William Balmer |
| William Barber | William Barbey | William Barbio |
| William Barclay | William Barclay (teologo) | William Barclay Masterson |
| William Barents | William Baring | William Baring, II barone Ashburton |
| William Barker | William Barker (traduttore) | William Barlow |
| William Barlow (mineralogista) | William Barlum Thompson | William Barner Lienhard |
| William Barr | William Barret Travis | William Barron Hilton |
| William Barry Taylor | William Barry Wood | William Barstow Strong |
| William Bart Saxbe | William Barta | William Bartley III |
| William Barton Rogers | William Bartram | William Basie |
| William Basil Percy Feilding | William Basinski | William Bassett |
| William Bassett (attore) | William Bates | William Bates Francis |
| William Bateson | William Bathurst Dove | William Batista |
| William Baumol | William Bayer | William Bayle Bernard |
| William Bayliss | William Baziotes | William Bøving |
| William Beardmore | William Beardmore and Company | William Beattie Feathers |
| William Beattie Ramsay | William Beau Mirchoff | William Beauclerk |
| William Beauclerk, IX duca di St. Albans | William Beauclerk, VIII duca di St. Albans | William Beauclerk, X duca di St Albans |
| William Beauclerk, X duca di St. Albans | William Beaudine | William Beaumont |
| William Beccaro | William Beckett | William Beckford |
| William Beckford di Somerley | William Becklean | William Beckman |
| William Beckmann | William Bedford | William Bedwell |
| William Beebe | William Beechey | William Bell |
| William Bell (cantante) | William Bell (cestista) | William Bell (fotografo) |
| William Bell (personaggio) | William Bell Dinsmoor | William Bell Scott |
| William Bellairs | William Belsham | William Bemrose |
| William Ben Hogan | William Bendix | William Benedict Nicholson |
| William Benjamin Lenoir | William Bennett | William Bennett (compositore) |
| William Bennett (musicista) | William Bennett (politico canadese) | William Bennett (politico statunitense 1943) |
| William Bennett (politico statunitense) | William Bennett (politico) | William Benson |
| William Benson Thomas | William Bent | William Bentinck |
| William Bentinck, 1° Conte di Portland | William Bentinck, 1º Conte di Portland | William Bentinck, I conte di Portland |
| William Bentinck, II duca di Portland | William Bentinck, IV duca di Portland | William Beresford |
| William Beresford (ufficiale) | William Beresford, I visconte Beresford | William Berger |
| William Berke | William Bernard Seiling | William Bernard Thieben |
| William Bernard Ullathorne | William Bernbach | William Berry |
| William Bertka | William Bertram | William Bertrum |
| William Berwald | William Besse | William Best Evans |
| William Betty | William Beveridge | William Beveridge Liddell |
| William Bibb | William Bigod | William Bill Parsons |
| William Billingsley | William Bingham | William Bingham Baring |
| William Bird | William Birdwood | William Birdwood, I barone Birdwood |
| William Birkin | William Birrell | William Birrell Franke |
| William Bittle Groseclose | William Biwott | William Biwott Tanui |
| William Black | William Black (attore) | William Black (scrittore) |
| William Blackledge Beaumont | William Blackstone | William Blake |
| William Blake (Chesterton) | William Blake Everett | William Blake McEdwards |
| William Blake Richmond | William Blandy | William Blazkowicz |
| William Bletcher | William Bligh | William Bloke |
| William Blum | William Blumberg | William Blume Levy |
| William Boaventura | William Boeing | William Bogard |
| William Bogart | William Bolcom | William Bonac |
| William Bonner | William Bonnet | William Bonney |
| William Bonville | William Bonville, I barone Bonville | William Bonville, VI barone Harington |
| William Boog Leishman | William Booth | William Booth Taliaferro |
| William Borah | William Bosworth Castle | William Bottin |
| William Botting Hemsley | William Boughton | William Bouguereau |
| William Bouverie | William Bouverie, I conte di Radnor | William Bouwens van der Boijen |
| William Bowie | William Bowman | William Bowrey |
| William Boxall | William Boyce | William Boyd |
| William Boyd (attore) | William Boyd Cate | William Boyett |
| William Boykin | William Boyle | William Bracewell |
| William Brack | William Brade | William Bradford |
| William Bradford (editore) | William Bradford (governatore Plymouth) | William Bradford (governatore) |
| William Bradford (politico) | William Bradford Champlin | William Bradford Rosson |
| William Bradford Shockley | William Bradley | William Bradley Pitt |
| William Bradley-King | William Bradshaw | William Brady |
| William Brady (calciatore) | William Brady (politico) | William Braford Rosson |
| William Bramley | William Branch Giles | William Brasseur |
| William Bratt | William Braunstein | William Brennagh |
| William Brennan | William Brent Bell | William Brent Unger |
| William Brett | William Brett, I visconte Esher | William Brewster |
| William Brewster (ornitologo) | William Brewster (predicatore) | William Brian Ashton |
| William Brian Binnie | William Brian Pillman | William Bridge |
| William Bridgeman, I visconte Bridgeman | William Brinton | William Brocius |
| William Brockedon | William Brodie | William Brodrick |
| William Bromley | William Bronzoni | William Brouncker |
| William Browder | William Brown | William Brown (ammiraglio) |
| William Brown (architetto) | William Brown (giocatore di curling) | William Brown (ingegnere) |
| William Brown (tennista) | William Brown Hunter | William Brown Macdougall |
| William Browne | William Brownrigg | William Broyles |
| William Broyles Jr. | William Bruce | William Bruce (politico) |
| William Bruce Davis | William Bruce Ellis Ranken | William Bruce Hale |
| William Bruce Jenner | William Bruce Rose | William Bruce Savage |
| William Bruce, I baronetto di Balcaskie | William Bryan | William Bryant |
