Mount Edgcumbe may refer to:
- Places
- Mount Edgcumbe Country Park, in Cornwall, United Kingdom
- Mount Edgcumbe House, located within Mount Edgcumbe Country Park
- Mount Edgecombe, KwaZulu-Natal, a sugar-growing town in KwaZulu-Natal, South Africa
- People
- Earl of Mount Edgcumbe, a title in the peerage of the United Kingdom:
- George Edgcumbe, 1st Earl of Mount Edgcumbe (1720–95), British peer, naval officer and politician
- Richard Edgcumbe, 2nd Earl of Mount Edgcumbe (1764–1839), British politician and writer on music
- Ernest Edgcumbe, 3rd Earl of Mount Edgcumbe (1797–1861), British peer and politician
- William Edgcumbe, 4th Earl of Mount Edgcumbe (1833–1917), British courtier and Conservative politician
- Piers Edgcumbe, 5th Earl of Mount Edgcumbe (1865–1944), British soldier
- Other
- HMS Mount Edgcumbe, Royal Navy ship, previously commissioned as the training establishment HMS Conway, originally built in 1822 as HMS Winchester