William Keenan Jr.
William Keighley
William Kellner
William Kemp
William Kennedy
William Kent (spouse)
William Kerr, 5th Marquess of Lothian
William Kerwin
William Kibler
William King
William Kucmierowski
William L. Austin
William L. Bass
William L. Johnson
William L. Meck III
William Labov
William Lamb, 2nd Viscount Melbourne
William Langford
William Laurin
William Lawrence Winston
William Lee-Kemp
William LeMassena
William LeNoire
William Levy
William Levy
William Louthe
William Love
William Lovell-Smith
William Lucking
William Lundigan
William Lustig
William M. Gaines
William M. Grosvenor
William M. Magraw
William Ma (person)
William Machado de Oliveira
William Manley Ritchey
William Margold
William Marlowe
William Marshall
William Marshall
William Martin Brennan
William Martinez
William May Wright
William McCorkle
William McDowell
William McFeeters
William McGann
William McGarry
William McInnes
William McKinley
William McMaster Murdoch
William McNamara
William McNamee
William McNichols
William Medows
William Michael Morgan
William Mitchell (spouse)
William Monahan
William Montagu, 1st Earl of Salisbury
William Montagu, 7th Duke of Manchester
William Moody
William Moore
William Morris
William Morris
William Morris Pryce Jr.
William Morrow
William Mortensen
William Mueller
William Murray
William Newkirk
William Nichols
William Nichols (printer's Machinist)
William Noyes
William O'Dwyer
William O'malley
William Ogilvie (Ardglass)
William Orlamond
William Orr
William Osbourne-Young
William Ostrander
William P. Hobby, Jr.
William P. McGivern
William Packer
William Parke, Jr.
William Parker
William Parker (Scholar)
William Parr, 1st Marquess of Northampton
William Parsons
William Pattison
William Patton (spouse)
William Paul Rend II
William Pawley
William Pearson Haney III
William Pelayo
William Pelham
William Pène du Bois
William Penton Godfrey
William Perry
William Pitt, 1st Earl of Chatham