Peter McGuffin
| Born | 4 February 1949 |
|---|---|
| Died | 30 January 2024 (aged 74) |
| Citizenship | United Kingdom |
| Education | University of Leeds University of London Washington University in St. Louis |
| Spouse | Anne Farmer |
| Awards | Ming Tsuang Lifetime Award (2007) |
| Scientific career | |
| Fields | Psychiatric genetics |
| Institutions | Institute of Psychiatry University of Wales, Cardiff |
Peter McGuffin CBE FMedSci (04 February 1949 – 30 January 2024) was a Northern Irish psychiatrist and geneticist from Belfast.