| 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) | Willie Colón (amerikansk fodboldspiller) |
| Willie Colón (flertydig) | Willie Colón (salsamusiker) | Willie Collum |
| Willie Colon | Willie Colon (amerikansk fodboldspiller) | Willie Colon (flertydig) |
| Willie Dixon | Willie Fernie | Willie Garson |
| Willie Hoel | Willie Mae Thornton | Willie McFaul |
| Willie Miller | Willie Morgan | Willie Nelson |
| Willie Oleson | Willie Park, Sr. | Willie Parker |
| Willie Polland | Willie Reid | Willie the Operatic Whale |
| Willie Waddell | Willie Woodburn | Willie's Magic Wand |
| Willis cirkel | Willis Eugene Lamb | Willis H. O'Brien |
| Willis Lamb | Willis McGahee | Willis O'Brien |
| Willis Reed | Willis Tower | Willis Towers Watson |
| Willis' cirkel | Williston (North Dakota) | Willlam H. Macy |
| Willmar | Willmar (Minnesota) | Willoughby Hamilton |
| Willow | Willow (film) | Willow Rose |
| Willow Smith | Willum Mechlenburg | Willum Nielsen |
| Willum Worm | Willum Worm (digter) | Willum Worm (justitiarius) |
| Willumsen | Willumsen (dokumentarfilm) | Willumsens Museum |
| Willy | Willy and the Poor Boys | Willy Aubameyang |
