Falmouth and Camborne could once again be twinned together as a parliamentary constituency according to new research into boundary changes.
The plans would also see the size of the St Ives constituency, which contains Helston and The Lizard, extended.
The size of constituencies across the UK are being harmonised under government plans to reduce the number of MPs from 650 to 600.
It will mean that, across the UK, each MP would oversee an area containing between 75,000 and 80,000 voters.
An independent study, produced by independent researchers Democratic Audit, suggests many changes could be made in Cornwall.
As the county's population only merits 5.47 MPs, a new controversial cross-border seat would be created across North East Cornwall and North West Devon, dubbed the 'Devonwall' constituency.
The report also suggests a new Falmouth and Camborne seat would be created, while Hayle, St Erth and Gwithian could be incorporated into the current St Ives constituency.
St Austell and Truro would merge for another new seat, with Bodmin and Newquay and South East Cornwall making up the other constituencies.
The final decision on any changes will be made by the Boundary Commission before the next General Election, due to be held in May 2015.
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