| Peter Walwyn | |
|---|---|
| Occupation | Trainer |
| Born | 1 July 1933 |
| Died | 7 December 2017 (aged 84) |
| Major racing wins | |
| British Classic Race wins: 1,000 Guineas (1) Epsom Oaks (1) Epsom Derby (1) | |
| Honours | |
| Champion Trainer (1974, 1975) | |
| Significant horses | |
| Grundy, Polygamy, Humble Duty | |
Peter Tyndall Walwyn, MBE (1 July 1933 – 7 December 2017) was a British racehorse trainer. He was based at stables in the Lambourn, Berkshire, area and enjoyed his period of greatest success in the mid-1970s when he was British flat racing Champion Trainer twice.