The Porritt Baronetcy, of Hampstead in the County of London, is in the Baronetcy of the United Kingdom and was created on 25 January 1963 for Sir Arthur Porritt, former Governor-General of New Zealand, President of the Royal College of Surgeons and Surgeon Sergeant to Queen Elizabeth II. The 1st Baronet was later created a life peer as Baron Porritt, of Wanganui in New Zealand and of Hampstead in Greater London.
The baronetcy was one of the last to be created until 1991 (when Denis Thatcher was created a baronet).
Porritt baronets, of Hampstead (25 January 1963)
- Arthur Espie Porritt, Baron Porritt, 1st Baronet (1900–1994)
The heir to the baronetcy appears to be
- The London Gazette: . 29 January 1963.