William Hastie (disambiguation)
William Hastie (1842-1903) was a Scottish clergyman and theologian.
William Hastie may also refer to:
- William Hastie (architect) (1763-1832), Russian architect of Scottish descent
- William H. Hastie (1904-1976), American politician and civil rights activist
- Will Hastie, musician featured in British 1978-1990s jazz band Midnite Follies Orchestra