William Harbord, of Grafton Park, was an English diplomat and politician who sat in the House of Commons at various times between 1661 and 1690.
- Occupation
- diplomat, politician
- Position held
- Member of Parliament in the Parliament of England, Member of the Privy Council of Ireland, Member of the 1661-79 Parliament, Member of the 1679 Parliament
- Citizenship
- Kingdom of England