David Hay (disambiguation)
David Hay is a Scottish football player and manager.
David Hay may also refer to:
- David Hay (cardiologist), New Zealand cardiologist and anti-smoking campaigner
- David Hay (curler), Scottish curler
- David Hay (diplomat), Australian diplomat and public servant
- David Hay (engineer), British civil engineer
- David Hay (nurseryman), New Zealand nurseryman
- David Hay (Australian politician), member of the New South Wales Legislative Assembly
- David Hay (Auckland politician), New Zealand politician and businessman
- David Davidson Hay, Canadian politician
- David Ramsay Hay, Scottish decorator and colour theorist