Fidra (archaically Fidrey[5] or Fetheray[6]) is a currently uninhabited island in the Firth of Forth, 4 kilometres (2+1⁄2 miles) northwest of North Berwick, on the east coast of Scotland.

Remotely operated cameras on the island send live pictures to the watching visitors at the Scottish Seabird Centre in North Berwick.

[8] In the 12th-century, the island formed part of the barony of Dirleton, which was granted to the Anglo-Norman John de Vaux by King David I.

[10] The number of breeding puffins on the island has increased recently due to the removal of an introduced plant, tree mallow (Lavatera arborea).

[11] Robert Louis Stevenson often visited the beaches at the area known today as Yellowcraig and it is said that he based his map of Treasure Island on the shape of Fidra.