P. D. Orton
| Peter Darbishire Orton | |
|---|---|
| Born | 28 January 1916 | 
| Died | 28 April 2005 (aged 89) | 
| Nationality | British | 
| Known for | Contributions to taxonomic mycology | 
| Scientific career | |
| Fields | Mycology | 
| Author abbrev. (botany) | P.D.Orton | 
Peter Darbishire Orton (28 January 1916 – 7 April 2005) was an English mycologist, specialising in agarics.