William Kerr
William Kerr is the name of the following people:
- William Kerr, 2nd Marquess of Lothian († 1722), British nobleman, officer and politician
- William Kerr (poet) (around 1880– ??), English poet
- William Kerr (actor) (born 1922), Australian actor
- William Kerr (1945-2012), Irish cyclist, see Billy Kerr
- William Kerr (badminton) (born around 1950), South African badminton player
- William Kerr (film editor) (* around 1960), American film editor