 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (November 2020) |
| The Martyrdom of St Magnus | |
|---|---|
| Chamber opera by Peter Maxwell Davies | |
 The composer in 2012 | |
| Librettist | Peter Maxwell Davies |
| Based on | George Mackay Brown's novel Magnus |
| Premiere | 18 June 1977 |
The Martyrdom of St Magnus is a chamber opera in one act (with nine scenes) by the British composer Peter Maxwell Davies. The libretto, by Davies himself, is based on the novel Magnus by George Mackay Brown. The opera was first performed in St Magnus Cathedral, Kirkwall, Orkney on 18 June 1977.