Truro and St Austell (UK Parliament constituency)

Truro and St Austell
Former county constituency for the House of Commons
Boundary of Truro and St Austell in Cornwall for the 2005 general election
Location of Cornwall within England
County	Cornwall
Major settlements	Truro and St Austell
1997–2010
Seats	One
Created from	Truro
Replaced by	Truro and Falmouth, St Austell and Newquay

Truro and St Austell was a county constituency in Cornwall represented in the House of Commons of the UK Parliament from its 1997 creation to its 2010 abolition by Matthew Taylor of the Liberal Democrats, who was appointed a life peer in the House of Lords following his service as a Member of Parliament (MP). The constituency elected one MP by the first past the post system of election.