Sir Peter Killigrew, 2nd Baronet (c 1634 - 8 January 1704) was an English politician who sat in the House of Commons in 1660.
In 1660, Killigrew was elected Member of Parliament for Camelford in the Convention Parliament. After a double return, he was seated on 5 May 1660, but his election was declared void 12 June 1660. He inherited the baronetcy on the death of his uncle Sir William Killigrew, 1st Baronet in 1665.
- John Burke, John Bernard Burke A genealogical and heraldic history of the extinct and dormant baronetcies
- Lysons, Daniel (1814). Magna Britannia: Cornwall. T. Cadell and W. Davies. p. 102.
- Gay, Susan E (1903). Old Falmouth. The story of the town from the days of the Killigrews to the earliest part of the 19th century.