William Kerr
William Kerr is the name of:
Politics and nobility
- William Kerr, 1st Earl of Lothian, Scottish nobleman
- William Kerr, 2nd Marquess of Lothian, Scottish peer and soldier
- William Kerr, 3rd Marquess of Lothian, Scottish nobleman
- William Kerr, 4th Marquess of Lothian, also a Member of Parliament
- William Kerr, 5th Marquess of Lothian, British soldier and peer
- William Kerr, 6th Marquess of Lothian, son of William Kerr, 5th Marquess of Lothian
- Sir William Kerr, 3rd Baronet, one of the Scottish representatives to the first Parliament of Great Britain
- Sir William Kerr, 4th Baronet, of the Kerr baronets
- Sir William Kerr, 6th Baronet, of the Kerr baronets
- William Johnson Kerr, political figure in Upper Canada
- William G. Kerr, mayor of Hamilton, Ontario, Canada
- William Kerr , Canadian politician
- William Franklin Kerr, journalist and politician in Saskatchewan, Canada
- William Kerr , mayor of Pittsburgh, Pennsylvania
Military
- William Kerr , British admiral
- William Munro Kerr, British admiral
- William Kerr, British Army officer, MP for Aberdeen Burghs and Dysart Burghs
- William Alexander Kerr, Scottish recipient of the Victoria Cross
Sports
- William Kerr , American football and wrestling coach
- Bill Kerr , Australian rules footballer
- Willie Kerr, Scottish footballer
- Billy Kerr, Irish cyclist
- William Kerr, co-owner of the Pittsburgh Pirates baseball team
- Will Kerr, American mixed martial artist
- Bud Kerr, American football player and coach
Other
- William Kerr , collector of plants in East Asia
- William Kerr , Scottish-Australian journalist, founder of The Argus
- William Kerr , Irish-American architect
- William Kerr , Irish Anglican bishop
- William Jasper Kerr, president of Oregon State University, 1907–1932
- William Alexander Robb Kerr, Canadian academic and president of the University of Alberta
- William R. Kerr, professor at Harvard Business School
- Bill Kerr, South African-born Australian actor
- Will Kerr, British Chief Constable