Peter (or Piers) Edgcumbe (1536 – 4 January 1608) of Mount Edgcumbe and of Cotehele in the parish of Calstock, both in Cornwall, was an English Member of Parliament.

He was the eldest son of Sir Richard Edgcumbe (1499–1562), son of Sir Piers Edgcumbe (d.1539)[2][3] of West Stonehouse and Cotehele, Cornwall.

He was elected a Member of Parliament for Totnes in Devon in 1555, appointed Sheriff of Devon for 1565, Sheriff of Cornwall in 1569 and Custos Rotulorum of Cornwall before 1573–1597.

[1] He was appointed Lord Lieutenant of Cornwall for the period 8 August 1586 – 7 December 1587[citation needed] and was appointed Custos Rotulorum of Cornwall in 1587.

[1] In about 1555 he married Margaret Luttrell, a daughter of Sir Andrew Luttrell, feudal baron of Dunster, of Dunster Castle in Somerset, by whom he had five sons and four daughters including: Piers died in 1608.