William Galbraith
William Galbraith may refer to:
- William Galbraith (mathematician), Scottish mathematician
- William Galbraith (athlete), Canadian athlete at the 1908 Summer Olympics
- William Galbraith (American football), former head coach of the Syracuse college football program
- William Galbraith (gymnast), American gymnast and Olympic medalist at the 1920 Summer Olympics
- William E. Galbraith, National Commander of the American Legion
- William Galbraith (British Army officer), Adjutant-General in India
- William J. Galbraith, justice of the territorial Montana Supreme Court