Sir William D'Oyly, 1st Baronet was an English politician who sat in the House of Commons variously between 1654 and 1677.
- Occupation
- politician
- Position held
- Member of Parliament in the Parliament of England, Member of the Third Protectorate Parliament, Member of the Second Protectorate Parliament, Member of the First Protectorate Parliament
- Citizenship
- Kingdom of England
- Born
- 1614
- Died
- November 1677