Peter Ian Wilkinson (12 November 1934 – 19 October 1987) was a New Zealand politician of the National Party. Wilkinson was born in Hexham, Northumberland, England, in 1934, the son of Rev G. L. B. Wilkinson. He received his education at schools in the Waikato and Auckland, at Durham University in England (from where he obtained a Bachelor of Arts with honours), and at the University of Auckland (from where he obtained a Bachelor of Laws). He was a half-brother of former Deputy Prime Minister Sir Jim McLay who succeeded him as the Attorney-General.