| William Joseph Burns | William Joseph Hardee | William Joseph Simmons |
| William Joseph Snelling | William Joyce | William Kamkwamba |
| William Kemmler | William Kent | William Kent (Architekt) |
| William Keppel, 7. jarl af Albemarle | William Keppel, 7. jarl of Albemarle | William Kidd |
| William kidd | William King | William Kirk English |
| William Kisum | William Knoblauch | William Kvist |
| William Kvist (flertydig) | William Kvist Jørgensen | William L. Petersen |
| William Labov | William Lamb | William Lamb, 2. viscount Melbourne |
| William Langford | William Lashly | William Lassell |
| William Laud | William Lawrence Bragg | William Legge, 10. jarl af Dartmouth |
| William Legge, 10th Earl of Dartmouth | William Libbey | William Ling |
| William Lipscomb | William Lithgow | William Locke |
| William Lockwood | William Loring | William Lovelock |
| William M. Dalton | William M. Evarts | William M. Tweed |
| William Mac Kinley | William Macy | William Makepeace Thackeray |
| William Mann Cornwallis | William Mark Felt | William Marsh Rice University |
| William Marshal, 1. jarl af Pembroke | William Marshall | William Martínez |
| William Martin Joel | William Martinez | William Mathias |
| William Matthew Flinders Petrie | William Mattus | William Mattus Vega |
| William Maxwell Evarts | William Møller | William McCool |
| William McCullagh Torrens | William McGregor | William McGuire "Bill" Bryson |
| William McKinley | William McMahon | William Michaels |
| William Miller (roer) | William Mitten | William Mollerup |
| William Montagu Douglas Scott, 6. hertug af Buccleuch | William Morgan | William Morgan Sheppard |
| William Morris | William Morris, 1st Viscount Nuffield | William Moseley |
| William Mulready | William Napier | William Nassau Senior |
| William Neville, 1. jarl af Kent | William Nichol | William Nicholson (kemiker) |
| William Nielsen | William Nordhaus | William Norman Grigg |
| William Norrie | William Norvin | William Nunn Lipscomb |
| William Nunn Lipscomb, Jr. | William Nygaard | William Nygaard (den ældre) |
| William Nygaard (den yngre) | William Nygaard den ældre | William O'Connor |
| William Occam | William Olsen | William Oughtred |
| William P. Fessenden | William P. Rogers | William Paley |
| William Palliser | William Palme | William Parker |
| William Passmore | William Pegram | William Pelham Barr |
| William Penn | William Peter Moseley | William Petersen |
| William Petty | William Petty, 2. jarl af Shelburne | William Philo |
| William Pitt | William Pitt den ældre | William Pitt den Ældre |
| William Pitt den yngre | William Pitt Fessenden | William Pitt Leleiôhoku |
| William Popp | William Porter | William Powell |
| William Powell Frith | William Prout | William R. Day |
| William R. King | William Ramsay | William Randal Cremer |
| William Randolph Hearst | William Ransom Johnson Pegram | William Regal |
| William Rehnquist | William Renshaw | William Rice |
| William Richard Morris | William Richardson | William Riker |
| William Rimkratt-Milkowski | William Robert Grove | William Robertson Smith |
| William Robinson | William Robinson (svømmer) | William Rogers |
| William Rosecrans | William Rosenberg | William Ross |
| William Ross Ashby | William Rowan Hamilton | William Rudbeck Lindhardt |
| William Rufus | William Rufus DeVane King | William Rupertus |
| William Russel Buck | William Ruto | William S. Burroughs |
| William S. Darling | William S. Knowles | William S. Knudsen |
| William S. Rosecrans | William Sagnol | William Saliba |
| William Salice | William Samoei Ruto | William Sampson |
| William Sanderson | William Scharff | William Scharling |
| William Schuman | William Scoresby | William Sears |
| William sears | William Seward | William Seward Burroughs |
| William Seward Burroughs II | William Shakespeare | William Shakespere |
| William Sharpe | William Shatner | William Sherman |
| William Shockley | William Shockley (skuespiller) | William Slade |
| William Slavens McNutt | William Slim | William Smith (svømmer) |
| William Somerset Maugham | William Somervile | William Somerville |
| William Stafford | William Standish Knowles | William Stanley Jevons |
| William Starke Rosecrans | William Steig | William Stephen Skylstad |
| William Stern | William Stowe | William Street |
| William Stryker | William Stubbs | William Stuhr |
| William Styron | William Sydney Porter | William T. Sampson |
| William T. Sherman | William Taft | William Tchuameni |
| William Tecumseh Sherman | William Tell | William Thalbitzer |
| William Thiego de Jesus | William Thoburn | William Thomas Beckford |
| William Thomas Sampson | William Thomas Stead | William Thompson (roer) |
| William Thompson Kelvin | William Thomson | William Thomson, 1. Baron Kelvin |
| William Thomson, 1. baron Kelvin | William Thulstrup | William Tilden |
| William Torres | William Troost-Ekong | William Tummel |
| William Tunner | William Turner | William Tuttle |
| William Tweed | William Tyndale | William Vallance Douglas Hodge |
| William Vance | William Varley | William Vickrey |
| William von Würden | William von Wyrden | William W. Boyington |
| William W. Loring | William Waagner | William Wadsworth |
| William Wain | William Wain Prior | William Walker |
| William Walker Stockfleth | William Walker Stockfleth (amtmand) | William Walker Stockfleth (søofficer) |
| William Wallace | William Wallace (flertydig) | William Wallace (komponist) |
| William Wallace (roer) | William Walton | William Wandahl |
| William Watson | William Würden | William West Anderson |
| William Westmoreland | William Wharton | William wharton |
| William Wheeler | William Whitelaw, 1. vicegreve Whitelaw | William Windom |
| William Wirt | William Wisholm | William Wood |
| William Wordsworth | William Wordsworth (komponist) | William Wrede |
| William Wyler | William Xavier Barbosa | William Zabka |
| William, hertug af Cambridge | William, hertug af Cumberland | William, Prins af Wales |
| William-Adolphe Bouguereau | Williams | Williams (Arizona) |
| Williams Companies | Williams County | Williams County (Ohio) |
| Williams F1 | Williams Grand Prix Engineering | Williams Huggins |
| Williams Racing | Williams Street | Williams syndrom |
| Williams(Arizona) | Williams, Arizona | Williamsborg |
| Williamsburg | Williamsburg (Brooklyn) | Williamsburg (Virginia) |
| WilliamsF1 | Willian | Willian Borges da Silva |
| Willian Popp | Willian Rocha | Willians Santana |
| Willibald Alexis | Willich | Willie |
| Willie and Tim in the Motor Car | Willie Colón | Willie Colón (amerikansk fodbold-spiller) |
