William Adam
William Adam may refer to:
- William Adam, French archbishop and missionary
- William Adam , Scottish architect, mason, and entrepreneur
- William Adam of Blair Adam, Scottish Member of the British Parliament and judge
- William Patrick Adam, British colonial administrator and Liberal politician
- William Adam , Scottish Baptist minister, missionary, abolitionist
- William Adam , English landscape artist who worked in California for 33 years
- William Adam , Belgian malacologist
- William Adam , American trumpeter, and professor emeritus at Indiana University
- William Augustus Adam, British and army officer and Conservative Party politician
- Will Adam, Archdeacon of Canterbury