Sir Ralph Delaval, 1st Baronet of Seaton Delaval, Northumberland was an English landowner and politician who sat in the House of Commons at various times between 1659 and 1685.
- Occupation
- politician, barrister
- Position held
- Member of Parliament in the Parliament of England, Member of the Third Protectorate Parliament, Member of the April 1660 Parliament, Member of the 1661-79 Parliament
- Citizenship
- Kingdom of England
- Born
- October 13, 1622
- Died