William Ballantine (disambiguation)
William Ballantine was an English Serjeant-at-law.
William Ballantine is also the name of:
- William Ballantine , Roman Catholic clergyman who became the first Prefect of Scotland
- William Ballantine , British Member of Parliament for Coventry 1887–1895
- Bill Ballantine , American illustrator of circus subjects
- Bill Ballantine , marine biologist from New Zealand